115315400554 has 4 divisors (see below), whose sum is σ = 172973100834. Its totient is φ = 57657700276.

The previous prime is 115315400549. The next prime is 115315400573. The reversal of 115315400554 is 455004513511.

115315400554 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77132286529 + 38183114025 = 277727^2 + 195405^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28828850137 + ... + 28828850140.

Almost surely, 2^115315400554 is an apocalyptic number.

115315400554 is a deficient number, since it is larger than the sum of its proper divisors (57657700280).

115315400554 is an equidigital number, since it uses as much as digits as its factorization.

115315400554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57657700279.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 115315400554 in words is "one hundred fifteen billion, three hundred fifteen million, four hundred thousand, five hundred fifty-four".