111288038401 has 16 divisors (see below), whose sum is σ = 119173996800. Its totient is φ = 103606246800.

The previous prime is 111288038399. The next prime is 111288038447. The reversal of 111288038401 is 104830882111.

It is a cyclic number.

It is not a de Polignac number, because 111288038401 - 2¹ = 111288038399 is a prime.

It is a super-2 number, since 2×111288038401² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111288036401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3358846 + ... + 3391816.

It is an arithmetic number, because the mean of its divisors is an integer number (7448374800).

Almost surely, 2^111288038401 is an apocalyptic number.

It is an amenable number.

111288038401 is a deficient number, since it is larger than the sum of its proper divisors (7885958399).

111288038401 is a wasteful number, since it uses less digits than its factorization.

111288038401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36060.

The product of its (nonzero) digits is 12288, while the sum is 37.

The spelling of 111288038401 in words is "one hundred eleven billion, two hundred eighty-eight million, thirty-eight thousand, four hundred one".