125133232520 has 64 divisors (see below), whose sum is σ = 282181173120. Its totient is φ = 49941195264.

The previous prime is 125133232369. The next prime is 125133232577. The reversal of 125133232520 is 25232331521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62974967 + ... + 62976953.

It is an arithmetic number, because the mean of its divisors is an integer number (4409080830).

Almost surely, 2^125133232520 is an apocalyptic number.

125133232520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125133232520 is an abundant number, since it is smaller than the sum of its proper divisors (157047940600).

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

125133232520 is a wasteful number, since it uses less digits than its factorization.

125133232520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4734 (or 4730 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Subtracting from 125133232520 its reverse (25232331521), we obtain a palindrome (99900900999).

The spelling of 125133232520 in words is "one hundred twenty-five billion, one hundred thirty-three million, two hundred thirty-two thousand, five hundred twenty".