115155331002120 has 32 divisors (see below), whose sum is σ = 345465993006720. Its totient is φ = 30708088267200.

The previous prime is 115155331002097. The next prime is 115155331002161. The reversal of 115155331002120 is 21200133551511.

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

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, 479813879056 + ... + 479813879295.

It is an arithmetic number, because the mean of its divisors is an integer number (10795812281460).

Almost surely, 2^{115155331002120} is an apocalyptic number.

115155331002120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115155331002120 is an abundant number, since it is smaller than the sum of its proper divisors (230310662004600).

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

115155331002120 is a wasteful number, since it uses less digits than its factorization.

115155331002120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959627758365 (or 959627758361 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 115155331002120 its reverse (21200133551511), we get a palindrome (136355464553631).

The spelling of 115155331002120 in words is "one hundred fifteen trillion, one hundred fifty-five billion, three hundred thirty-one million, two thousand, one hundred twenty".