115210343015220 has 48 divisors (see below), whose sum is σ = 322589721662208. Its totient is φ = 30722685640320.

The previous prime is 115210343015191. The next prime is 115210343015387. The reversal of 115210343015220 is 22510343012511.

It is a happy number.

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

It is a congruent number.

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, 26362885 + ... + 30420755.

It is an arithmetic number, because the mean of its divisors is an integer number (6720619201296).

Almost surely, 2^{115210343015220} is an apocalyptic number.

115210343015220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115210343015220 is an abundant number, since it is smaller than the sum of its proper divisors (207379378646988).

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

115210343015220 is a wasteful number, since it uses less digits than its factorization.

115210343015220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4531080 (or 4531078 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 115210343015220 its reverse (22510343012511), we get a palindrome (137720686027731).

The spelling of 115210343015220 in words is "one hundred fifteen trillion, two hundred ten billion, three hundred forty-three million, fifteen thousand, two hundred twenty".