12628502157 has 8 divisors (see below), whose sum is σ = 16838639584. Its totient is φ = 8418683088.

The previous prime is 12628502149. The next prime is 12628502177. The reversal of 12628502157 is 75120582621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12628502157 - 2³ = 12628502149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12628502137) 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 7 ways as a sum of consecutive naturals, for example, 37638 + ... + 163320.

It is an arithmetic number, because the mean of its divisors is an integer number (2104829948).

Almost surely, 2^12628502157 is an apocalyptic number.

It is an amenable number.

12628502157 is a deficient number, since it is larger than the sum of its proper divisors (4210137427).

12628502157 is a wasteful number, since it uses less digits than its factorization.

12628502157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159179.

The product of its (nonzero) digits is 67200, while the sum is 39.

The spelling of 12628502157 in words is "twelve billion, six hundred twenty-eight million, five hundred two thousand, one hundred fifty-seven".