115437197952 has 160 divisors (see below), whose sum is σ = 347401998900. Its totient is φ = 38046412800.

The previous prime is 115437197947. The next prime is 115437197983. The reversal of 115437197952 is 259791734511.

115437197952 is a `hidden beast` number, since 1 + 1 + 543 + 7 + 1 + 9 + 7 + 95 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114660795456 + 776402496 = 338616^2 + 27864^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 860202 + ... + 985302.

Almost surely, 2^115437197952 is an apocalyptic number.

115437197952 is a gapful number since it is divisible by the number (12) 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 115437197952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173700999450).

115437197952 is an abundant number, since it is smaller than the sum of its proper divisors (231964800948).

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

115437197952 is an equidigital number, since it uses as much as digits as its factorization.

115437197952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125216 (or 125195 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 54.

The spelling of 115437197952 in words is "one hundred fifteen billion, four hundred thirty-seven million, one hundred ninety-seven thousand, nine hundred fifty-two".