12539157404 has 24 divisors (see below), whose sum is σ = 21989130240. Its totient is φ = 6256566576.

The previous prime is 12539157383. The next prime is 12539157413. The reversal of 12539157404 is 40475193521.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6788009 + ... + 6789855.

It is an arithmetic number, because the mean of its divisors is an integer number (916213760).

Almost surely, 2^12539157404 is an apocalyptic number.

It is an amenable number.

12539157404 is a deficient number, since it is larger than the sum of its proper divisors (9449972836).

12539157404 is a wasteful number, since it uses less digits than its factorization.

12539157404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457 (or 4455 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 12539157404 in words is "twelve billion, five hundred thirty-nine million, one hundred fifty-seven thousand, four hundred four".