111601404400 has 60 divisors (see below), whose sum is σ = 270777149064. Its totient is φ = 44198560000.

The previous prime is 111601404377. The next prime is 111601404487. The reversal of 111601404400 is 4404106111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1340806 + ... + 1421605.

Almost surely, 2^111601404400 is an apocalyptic number.

111601404400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111601404400 is an abundant number, since it is smaller than the sum of its proper divisors (159175744664).

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

111601404400 is a wasteful number, since it uses less digits than its factorization.

111601404400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762530 (or 2762519 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The spelling of 111601404400 in words is "one hundred eleven billion, six hundred one million, four hundred four thousand, four hundred".