115159517425 has 6 divisors (see below), whose sum is σ = 142797801638. Its totient is φ = 92127613920.

The previous prime is 115159517419. The next prime is 115159517449. The reversal of 115159517425 is 524715951511.

It can be written as a sum of positive squares in 3 ways, for example, as 1995230224 + 113164287201 = 44668^2 + 336399^2 .

It is not a de Polignac number, because 115159517425 - 2³¹ = 113012033777 is a prime.

It is a Duffinian number.

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, 2303190324 + ... + 2303190373.

Almost surely, 2^115159517425 is an apocalyptic number.

It is an amenable number.

115159517425 is a deficient number, since it is larger than the sum of its proper divisors (27638284213).

115159517425 is an equidigital number, since it uses as much as digits as its factorization.

115159517425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606380707 (or 4606380702 counting only the distinct ones).

The product of its digits is 315000, while the sum is 46.

The spelling of 115159517425 in words is "one hundred fifteen billion, one hundred fifty-nine million, five hundred seventeen thousand, four hundred twenty-five".