115212142040 has 32 divisors (see below), whose sum is σ = 263476953360. Its totient is φ = 45329366400.

The previous prime is 115212141959. The next prime is 115212142057. The reversal of 115212142040 is 40241212511.

It is a junction number, because it is equal to n+sod(n) for n = 115212141997 and 115212142015.

It is a congruent number.

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, 23606606 + ... + 23611485.

Almost surely, 2^115212142040 is an apocalyptic number.

115212142040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115212142040 is an abundant number, since it is smaller than the sum of its proper divisors (148264811320).

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

115212142040 is a wasteful number, since it uses less digits than its factorization.

115212142040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47218163 (or 47218159 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 115212142040 its reverse (40241212511), we get a palindrome (155453354551).

The spelling of 115212142040 in words is "one hundred fifteen billion, two hundred twelve million, one hundred forty-two thousand, forty".