125522222544 has 30 divisors (see below), whose sum is σ = 351287887106. Its totient is φ = 41840740800.

The previous prime is 125522222521. The next prime is 125522222557. The reversal of 125522222544 is 445222225521.

125522222544 is a `hidden beast` number, since 1 + 25 + 52 + 22 + 22 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111689640000 + 13832582544 = 334200^2 + 117612^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 125522222499 and 125522222508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 435840907 + ... + 435841194.

Almost surely, 2^125522222544 is an apocalyptic number.

It is an amenable number.

125522222544 is an abundant number, since it is smaller than the sum of its proper divisors (225765664562).

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

125522222544 is a wasteful number, since it uses less digits than its factorization.

125522222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871682115 (or 871682106 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

The spelling of 125522222544 in words is "one hundred twenty-five billion, five hundred twenty-two million, two hundred twenty-two thousand, five hundred forty-four".