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11110110010001 = 12237499078749
BaseRepresentation
bin1010000110101100011000…
…1010010001101010010001
31110100010010200001202000222
42201223012022101222101
52424012001130310001
635343525235122425
72224451611626542
oct241530612215221
943303120052028
1011110110010001
1135a3853508182
1212b5269443415
136278a965aa22
142a5a371d44c9
15143eed28261b
hexa1ac6291a91

11110110010001 has 4 divisors (see below), whose sum is σ = 11110120312500. Its totient is φ = 11110099707504.

The previous prime is 11110110009991. The next prime is 11110110010009. The reversal of 11110110010001 is 10001001101111.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 637274907025 + 10472835102976 = 798295^2 + 3236176^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110110010001 - 26 = 11110110009937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11110110010009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3315626 + ... + 5763123.

It is an arithmetic number, because the mean of its divisors is an integer number (2777530078125).

Almost surely, 211110110010001 is an apocalyptic number.

It is an amenable number.

11110110010001 is a deficient number, since it is larger than the sum of its proper divisors (10302499).

11110110010001 is an equidigital number, since it uses as much as digits as its factorization.

11110110010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10302498.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 11110110010001 its reverse (10001001101111), we get a palindrome (21111111111112).

The spelling of 11110110010001 in words is "eleven trillion, one hundred ten billion, one hundred ten million, ten thousand, one".

Divisors: 1 1223749 9078749 11110110010001