115310512040 has 32 divisors (see below), whose sum is σ = 259479434880. Its totient is φ = 46118732352.

The previous prime is 115310512027. The next prime is 115310512087. The reversal of 115310512040 is 40215013511.

It is a junction number, because it is equal to n+sod(n) for n = 115310511997 and 115310512015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179189 + ... + 512571.

It is an arithmetic number, because the mean of its divisors is an integer number (8108732340).

Almost surely, 2^115310512040 is an apocalyptic number.

115310512040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115310512040 is an abundant number, since it is smaller than the sum of its proper divisors (144168922840).

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

115310512040 is a wasteful number, since it uses less digits than its factorization.

115310512040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 342041 (or 342037 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

Adding to 115310512040 its reverse (40215013511), we get a palindrome (155525525551).

The spelling of 115310512040 in words is "one hundred fifteen billion, three hundred ten million, five hundred twelve thousand, forty".