115515412420400 has 30 divisors (see below), whose sum is σ = 277525778340972. Its totient is φ = 46206164968000.

The previous prime is 115515412420393. The next prime is 115515412420469. The reversal of 115515412420400 is 4024214515511.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144394265126 + ... + 144394265925.

Almost surely, 2^{115515412420400} is an apocalyptic number.

115515412420400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115515412420400 is an abundant number, since it is smaller than the sum of its proper divisors (162010365920572).

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

115515412420400 is a wasteful number, since it uses less digits than its factorization.

115515412420400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288788531069 (or 288788531058 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 35.

Adding to 115515412420400 its reverse (4024214515511), we get a palindrome (119539626935911).

The spelling of 115515412420400 in words is "one hundred fifteen trillion, five hundred fifteen billion, four hundred twelve million, four hundred twenty thousand, four hundred".