115212310324520 has 128 divisors (see below), whose sum is σ = 265533493420800. Its totient is φ = 44978700748800.

The previous prime is 115212310324493. The next prime is 115212310324547. The reversal of 115212310324520 is 25423013212511.

It is an interprime number because it is at equal distance from previous prime (115212310324493) and next prime (115212310324547).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151785782 + ... + 152542938.

It is an arithmetic number, because the mean of its divisors is an integer number (2074480417350).

Almost surely, 2^{115212310324520} is an apocalyptic number.

115212310324520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115212310324520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (132766746710400).

115212310324520 is an abundant number, since it is smaller than the sum of its proper divisors (150321183096280).

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

115212310324520 is a wasteful number, since it uses less digits than its factorization.

115212310324520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757779 (or 757775 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 115212310324520 in words is "one hundred fifteen trillion, two hundred twelve billion, three hundred ten million, three hundred twenty-four thousand, five hundred twenty".