111428525904 has 40 divisors (see below), whose sum is σ = 288951571392. Its totient is φ = 37001610240.

The previous prime is 111428525867. The next prime is 111428525939. The reversal of 111428525904 is 409525824111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4400737 + ... + 4425984.

Almost surely, 2^111428525904 is an apocalyptic number.

It is an amenable number.

111428525904 is an abundant number, since it is smaller than the sum of its proper divisors (177523045488).

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

111428525904 is a wasteful number, since it uses less digits than its factorization.

111428525904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8826995 (or 8826989 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 111428525904 in words is "one hundred eleven billion, four hundred twenty-eight million, five hundred twenty-five thousand, nine hundred four".