115142521404 has 24 divisors (see below), whose sum is σ = 277332525568. Its totient is φ = 37142748720.

The previous prime is 115142521331. The next prime is 115142521447. The reversal of 115142521404 is 404125241511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154761082 + ... + 154761825.

Almost surely, 2^115142521404 is an apocalyptic number.

It is an amenable number.

115142521404 is an abundant number, since it is smaller than the sum of its proper divisors (162190004164).

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

115142521404 is a wasteful number, since it uses less digits than its factorization.

115142521404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309522945 (or 309522943 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

Adding to 115142521404 its reverse (404125241511), we get a palindrome (519267762915).

The spelling of 115142521404 in words is "one hundred fifteen billion, one hundred forty-two million, five hundred twenty-one thousand, four hundred four".