115251235140 has 48 divisors (see below), whose sum is σ = 341686017792. Its totient is φ = 28925799936.

The previous prime is 115251235097. The next prime is 115251235159. The reversal of 115251235140 is 41532152511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 115251235098 and 115251235107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56494684 + ... + 56496723.

It is an arithmetic number, because the mean of its divisors is an integer number (7118458704).

Almost surely, 2^115251235140 is an apocalyptic number.

115251235140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115251235140 is an abundant number, since it is smaller than the sum of its proper divisors (226434782652).

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

115251235140 is a wasteful number, since it uses less digits than its factorization.

115251235140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112991436 (or 112991434 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 115251235140 its reverse (41532152511), we get a palindrome (156783387651).

The spelling of 115251235140 in words is "one hundred fifteen billion, two hundred fifty-one million, two hundred thirty-five thousand, one hundred forty".