111344625131 has 16 divisors (see below), whose sum is σ = 116327667456. Its totient is φ = 106453200000.

The previous prime is 111344625109. The next prime is 111344625143. The reversal of 111344625131 is 131526443111.

It is a cyclic number.

It is not a de Polignac number, because 111344625131 - 2¹⁴ = 111344608747 is a prime.

It is a super-2 number, since 2×111344625131² (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 (111344625181) 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, 1404821 + ... + 1481961.

It is an arithmetic number, because the mean of its divisors is an integer number (7270479216).

Almost surely, 2^111344625131 is an apocalyptic number.

111344625131 is a deficient number, since it is larger than the sum of its proper divisors (4983042325).

111344625131 is a wasteful number, since it uses less digits than its factorization.

111344625131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77734.

The product of its digits is 8640, while the sum is 32.

The spelling of 111344625131 in words is "one hundred eleven billion, three hundred forty-four million, six hundred twenty-five thousand, one hundred thirty-one".