125233332521 has 16 divisors (see below), whose sum is σ = 137712199680. Its totient is φ = 112940434320.

The previous prime is 125233332517. The next prime is 125233332527.

125233332521 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 125233332521 - 2² = 125233332517 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125233332527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600866 + ... + 781988.

It is an arithmetic number, because the mean of its divisors is an integer number (8607012480).

Almost surely, 2^125233332521 is an apocalyptic number.

125233332521 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

125233332521 is a deficient number, since it is larger than the sum of its proper divisors (12478867159).

125233332521 is a wasteful number, since it uses less digits than its factorization.

125233332521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181636.

The product of its digits is 32400, while the sum is 32.

It can be divided in two parts, 125233 and 332521, that added together give a palindrome (457754).

The spelling of 125233332521 in words is "one hundred twenty-five billion, two hundred thirty-three million, three hundred thirty-two thousand, five hundred twenty-one".