133121233462525 has 24 divisors (see below), whose sum is σ = 205801969241664. Its totient is φ = 82984665014400.

The previous prime is 133121233462519. The next prime is 133121233462579. The reversal of 133121233462525 is 525264332121331.

It is not a de Polignac number, because 133121233462525 - 2³³ = 133112643527933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34576941832 + ... + 34576945681.

It is an arithmetic number, because the mean of its divisors is an integer number (8575082051736).

Almost surely, 2^{133121233462525} is an apocalyptic number.

It is an amenable number.

133121233462525 is a deficient number, since it is larger than the sum of its proper divisors (72680735779139).

133121233462525 is a wasteful number, since it uses less digits than its factorization.

133121233462525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69153887541 (or 69153887536 counting only the distinct ones).

The product of its digits is 777600, while the sum is 43.

Adding to 133121233462525 its reverse (525264332121331), we get a palindrome (658385565583856).

The spelling of 133121233462525 in words is "one hundred thirty-three trillion, one hundred twenty-one billion, two hundred thirty-three million, four hundred sixty-two thousand, five hundred twenty-five".