115154404434 has 56 divisors (see below), whose sum is σ = 261355252620. Its totient is φ = 38032594848.

The previous prime is 115154404403. The next prime is 115154404441. The reversal of 115154404434 is 434404451511.

It can be written as a sum of positive squares in 2 ways, for example, as 110739200625 + 4415203809 = 332775^2 + 66447^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 203377 + ... + 521220.

Almost surely, 2^115154404434 is an apocalyptic number.

115154404434 is an abundant number, since it is smaller than the sum of its proper divisors (146200848186).

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

115154404434 is an equidigital number, since it uses as much as digits as its factorization.

115154404434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724726 (or 724711 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

Adding to 115154404434 its reverse (434404451511), we get a palindrome (549558855945).

The spelling of 115154404434 in words is "one hundred fifteen billion, one hundred fifty-four million, four hundred four thousand, four hundred thirty-four".