125522535552 has 64 divisors (see below), whose sum is σ = 337165610400. Its totient is φ = 41370712064.

The previous prime is 125522535521. The next prime is 125522535559. The reversal of 125522535552 is 255535225521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (125522535559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1802238 + ... + 1870589.

Almost surely, 2^125522535552 is an apocalyptic number.

125522535552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125522535552 is an abundant number, since it is smaller than the sum of its proper divisors (211643074848).

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

125522535552 is an equidigital number, since it uses as much as digits as its factorization.

125522535552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672933 (or 3672921 counting only the distinct ones).

The product of its digits is 750000, while the sum is 42.

The spelling of 125522535552 in words is "one hundred twenty-five billion, five hundred twenty-two million, five hundred thirty-five thousand, five hundred fifty-two".