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11111081130239 = 27674015569617
BaseRepresentation
bin1010000110110000000000…
…0010110011100011111111
31110100012122100101202120012
42201230000002303203333
52424020443232131424
635344205445413435
72224514643206066
oct241540002634377
943305570352505
1011111081130239
1135a42016a6192
1212b549a70a27b
13627a028c5a9c
142a5aca1851dd
1514405865bb0e
hexa1b000b38ff

11111081130239 has 4 divisors (see below), whose sum is σ = 11115096702624. Its totient is φ = 11107065557856.

The previous prime is 11111081130217. The next prime is 11111081130293. The reversal of 11111081130239 is 93203118011111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11111081130239 - 232 = 11106786162943 is a prime.

It is a super-2 number, since 2×111110811302392 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111081130209) 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, 2007782042 + ... + 2007787575.

It is an arithmetic number, because the mean of its divisors is an integer number (2778774175656).

Almost surely, 211111081130239 is an apocalyptic number.

11111081130239 is a deficient number, since it is larger than the sum of its proper divisors (4015572385).

11111081130239 is an equidigital number, since it uses as much as digits as its factorization.

11111081130239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015572384.

The product of its (nonzero) digits is 1296, while the sum is 32.

The spelling of 11111081130239 in words is "eleven trillion, one hundred eleven billion, eighty-one million, one hundred thirty thousand, two hundred thirty-nine".

Divisors: 1 2767 4015569617 11111081130239