115021043240 has 64 divisors (see below), whose sum is σ = 274103481600. Its totient is φ = 43288962048.

The previous prime is 115021043231. The next prime is 115021043251. The reversal of 115021043240 is 42340120511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2396357 + ... + 2443883.

It is an arithmetic number, because the mean of its divisors is an integer number (4282866900).

Almost surely, 2^115021043240 is an apocalyptic number.

115021043240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115021043240 is an abundant number, since it is smaller than the sum of its proper divisors (159082438360).

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

115021043240 is a wasteful number, since it uses less digits than its factorization.

115021043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51114 (or 51110 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 115021043240 its reverse (42340120511), we get a palindrome (157361163751).

The spelling of 115021043240 in words is "one hundred fifteen billion, twenty-one million, forty-three thousand, two hundred forty".