115572552774 has 160 divisors (see below), whose sum is σ = 275112875520. Its totient is φ = 32359070016.

The previous prime is 115572552763. The next prime is 115572552779. The reversal of 115572552774 is 477255275511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115572552779) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 196886509 + ... + 196887095.

It is an arithmetic number, because the mean of its divisors is an integer number (1719455472).

Almost surely, 2^115572552774 is an apocalyptic number.

115572552774 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 115572552774, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137556437760).

115572552774 is an abundant number, since it is smaller than the sum of its proper divisors (159540322746).

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

115572552774 is an equidigital number, since it uses as much as digits as its factorization.

115572552774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872 (or 851 counting only the distinct ones).

The product of its digits is 3430000, while the sum is 51.

The spelling of 115572552774 in words is "one hundred fifteen billion, five hundred seventy-two million, five hundred fifty-two thousand, seven hundred seventy-four".