111080051424 has 576 divisors, whose sum is σ = 368384889600. Its totient is φ = 31520047104.

The previous prime is 111080051311. The next prime is 111080051471. The reversal of 111080051424 is 424150080111.

It is a happy number.

111080051424 is a `hidden beast` number, since 1 + 110 + 80 + 0 + 51 + 424 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203071119 + ... + 203071665.

It is an arithmetic number, because the mean of its divisors is an integer number (639557100).

Almost surely, 2^111080051424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111080051424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184192444800).

111080051424 is an abundant number, since it is smaller than the sum of its proper divisors (257304838176).

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

111080051424 is a wasteful number, since it uses less digits than its factorization.

111080051424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The spelling of 111080051424 in words is "one hundred eleven billion, eighty million, fifty-one thousand, four hundred twenty-four".