123525000055520 has 72 divisors (see below), whose sum is σ = 339473169816984. Its totient is φ = 42351428587776.

The previous prime is 123525000055507. The next prime is 123525000055531. The reversal of 123525000055520 is 25550000525321.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7877862062 + ... + 7877877741.

It is an arithmetic number, because the mean of its divisors is an integer number (4714905136347).

Almost surely, 2^{123525000055520} is an apocalyptic number.

123525000055520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123525000055520 is an abundant number, since it is smaller than the sum of its proper divisors (215948169761464).

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

123525000055520 is a wasteful number, since it uses less digits than its factorization.

123525000055520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15755739832 (or 15755739817 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 123525000055520 in words is "one hundred twenty-three trillion, five hundred twenty-five billion, fifty-five thousand, five hundred twenty".