111360399426 has 40 divisors (see below), whose sum is σ = 262662937680. Its totient is φ = 35166440952.

The previous prime is 111360399421. The next prime is 111360399497. The reversal of 111360399426 is 624993063111.

111360399426 is a `hidden beast` number, since 1 + 1 + 13 + 603 + 9 + 9 + 4 + 26 = 666.

It is a super-2 number, since 2×111360399426² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111360399421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 18086656 + ... + 18092811.

It is an arithmetic number, because the mean of its divisors is an integer number (6566573442).

Almost surely, 2^111360399426 is an apocalyptic number.

111360399426 is an abundant number, since it is smaller than the sum of its proper divisors (151302538254).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111360399426 is a wasteful number, since it uses less digits than its factorization.

111360399426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36179500 (or 36179491 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The spelling of 111360399426 in words is "one hundred eleven billion, three hundred sixty million, three hundred ninety-nine thousand, four hundred twenty-six".