115078112258 has 6 divisors (see below), whose sum is σ = 172617888009. Its totient is φ = 57538816256.

The previous prime is 115078112251. The next prime is 115078112273. The reversal of 115078112258 is 852211870511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81289422769 + 33788689489 = 285113^2 + 183817^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=239873.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115078112251) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 359810 + ... + 599682.

Almost surely, 2^115078112258 is an apocalyptic number.

115078112258 is a deficient number, since it is larger than the sum of its proper divisors (57539775751).

115078112258 is an frugal number, since it uses more digits than its factorization.

115078112258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479748 (or 239875 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 41.

Adding to 115078112258 its reverse (852211870511), we get a palindrome (967289982769).

The spelling of 115078112258 in words is "one hundred fifteen billion, seventy-eight million, one hundred twelve thousand, two hundred fifty-eight".