125623772250 has 128 divisors (see below), whose sum is σ = 324091901952. Its totient is φ = 32376960000.

The previous prime is 125623772233. The next prime is 125623772297. The reversal of 125623772250 is 52277326521.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20480184 + ... + 20486316.

It is an arithmetic number, because the mean of its divisors is an integer number (2531967984).

Almost surely, 2^125623772250 is an apocalyptic number.

125623772250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 125623772250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162045950976).

125623772250 is an abundant number, since it is smaller than the sum of its proper divisors (198468129702).

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

125623772250 is a wasteful number, since it uses less digits than its factorization.

125623772250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7065 (or 7055 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The spelling of 125623772250 in words is "one hundred twenty-five billion, six hundred twenty-three million, seven hundred seventy-two thousand, two hundred fifty".