12503924158 has 16 divisors (see below), whose sum is σ = 20491945200. Its totient is φ = 5674996800.

The previous prime is 12503924089. The next prime is 12503924197. The reversal of 12503924158 is 85142930521.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12503924158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415383 + ... + 444466.

It is an arithmetic number, because the mean of its divisors is an integer number (1280746575).

Almost surely, 2^12503924158 is an apocalyptic number.

12503924158 is a deficient number, since it is larger than the sum of its proper divisors (7988021042).

12503924158 is a wasteful number, since it uses less digits than its factorization.

12503924158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860523.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 12503924158 in words is "twelve billion, five hundred three million, nine hundred twenty-four thousand, one hundred fifty-eight".