115312461639 has 16 divisors (see below), whose sum is σ = 156058922880. Its totient is φ = 75720696480.

The previous prime is 115312461617. The next prime is 115312461757. The reversal of 115312461639 is 936164213511.

It is not a de Polignac number, because 115312461639 - 2¹⁵ = 115312428871 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115312461639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115312461239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3143697 + ... + 3180165.

It is an arithmetic number, because the mean of its divisors is an integer number (9753682680).

Almost surely, 2^115312461639 is an apocalyptic number.

115312461639 is a deficient number, since it is larger than the sum of its proper divisors (40746461241).

115312461639 is a wasteful number, since it uses less digits than its factorization.

115312461639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52270.

The product of its digits is 116640, while the sum is 42.

The spelling of 115312461639 in words is "one hundred fifteen billion, three hundred twelve million, four hundred sixty-one thousand, six hundred thirty-nine".