125789131213 has 18 divisors (see below), whose sum is σ = 130285946634. Its totient is φ = 121358790432.

The previous prime is 125789131211. The next prime is 125789131331. The reversal of 125789131213 is 312131987521.

It can be written as a sum of positive squares in 3 ways, for example, as 106770790564 + 19018340649 = 326758^2 + 137907^2 .

It is not a de Polignac number, because 125789131213 - 2¹ = 125789131211 is a prime.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 125789131213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125789131211) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 429314295 + ... + 429314587.

Almost surely, 2^125789131213 is an apocalyptic number.

It is an amenable number.

125789131213 is a deficient number, since it is larger than the sum of its proper divisors (4496815421).

125789131213 is an frugal number, since it uses more digits than its factorization.

125789131213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021 (or 529 counting only the distinct ones).

The product of its digits is 90720, while the sum is 43.

The spelling of 125789131213 in words is "one hundred twenty-five billion, seven hundred eighty-nine million, one hundred thirty-one thousand, two hundred thirteen".