12538525377 has 24 divisors (see below), whose sum is σ = 19453188000. Its totient is φ = 7162779456.

The previous prime is 12538525319. The next prime is 12538525397. The reversal of 12538525377 is 77352583521.

It is not a de Polignac number, because 12538525377 - 2¹⁴ = 12538508993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12538525397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 592149 + ... + 612957.

It is an arithmetic number, because the mean of its divisors is an integer number (810549500).

Almost surely, 2^12538525377 is an apocalyptic number.

It is an amenable number.

12538525377 is a deficient number, since it is larger than the sum of its proper divisors (6914662623).

12538525377 is a wasteful number, since it uses less digits than its factorization.

12538525377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24925 (or 24918 counting only the distinct ones).

The product of its digits is 1764000, while the sum is 48.

The spelling of 12538525377 in words is "twelve billion, five hundred thirty-eight million, five hundred twenty-five thousand, three hundred seventy-seven".