111432520404 has 36 divisors (see below), whose sum is σ = 283232889940. Its totient is φ = 36938954880.

The previous prime is 111432520373. The next prime is 111432520429. The reversal of 111432520404 is 404025234111.

111432520404 is a `hidden beast` number, since 1 + 1 + 1 + 4 + 3 + 252 + 0 + 404 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3776348304 + 107656172100 = 61452^2 + 328110^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8544169 + ... + 8557200.

Almost surely, 2^111432520404 is an apocalyptic number.

It is an amenable number.

111432520404 is an abundant number, since it is smaller than the sum of its proper divisors (171800369536).

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

111432520404 is a wasteful number, since it uses less digits than its factorization.

111432520404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17101560 (or 17101555 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 111432520404 its reverse (404025234111), we get a palindrome (515457754515).

The spelling of 111432520404 in words is "one hundred eleven billion, four hundred thirty-two million, five hundred twenty thousand, four hundred four".