125553879050 has 48 divisors (see below), whose sum is σ = 236686558680. Its totient is φ = 49546736640.

The previous prime is 125553879019. The next prime is 125553879097. The reversal of 125553879050 is 50978355521.

It can be written as a sum of positive squares in 12 ways, for example, as 16233053281 + 109320825769 = 127409^2 + 330637^2 .

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 125553879050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1220414 + ... + 1319286.

Almost surely, 2^125553879050 is an apocalyptic number.

125553879050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125553879050 is a deficient number, since it is larger than the sum of its proper divisors (111132679630).

125553879050 is a wasteful number, since it uses less digits than its factorization.

125553879050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99227 (or 99222 counting only the distinct ones).

The product of its (nonzero) digits is 1890000, while the sum is 50.

The spelling of 125553879050 in words is "one hundred twenty-five billion, five hundred fifty-three million, eight hundred seventy-nine thousand, fifty".