11111101000001 has 4 divisors (see below), whose sum is σ = 11244969686832. Its totient is φ = 10977232313172.

The previous prime is 11111100999989. The next prime is 11111101000003. The reversal of 11111101000001 is 10000010111111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11111101000001 - 2⁴² = 6713054488897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111101000003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66934343291 + ... + 66934343456.

It is an arithmetic number, because the mean of its divisors is an integer number (2811242421708).

Almost surely, 2^{11111101000001} is an apocalyptic number.

It is an amenable number.

11111101000001 is a deficient number, since it is larger than the sum of its proper divisors (133868686831).

11111101000001 is an equidigital number, since it uses as much as digits as its factorization.

11111101000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133868686830.

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

Adding to 11111101000001 its reverse (10000010111111), we get a palindrome (21111111111112).

The spelling of 11111101000001 in words is "eleven trillion, one hundred eleven billion, one hundred one million, one", and thus it is an aban number.