15506000157 has 16 divisors (see below), whose sum is σ = 21188643840. Its totient is φ = 10083498672.

The previous prime is 15506000141. The next prime is 15506000221. The reversal of 15506000157 is 75100060551.

It is not a de Polignac number, because 15506000157 - 2⁴ = 15506000141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15506020157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 374463 + ... + 413804.

It is an arithmetic number, because the mean of its divisors is an integer number (1324290240).

Almost surely, 2^15506000157 is an apocalyptic number.

It is an amenable number.

15506000157 is a deficient number, since it is larger than the sum of its proper divisors (5682643683).

15506000157 is an equidigital number, since it uses as much as digits as its factorization.

15506000157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788432.

The product of its (nonzero) digits is 5250, while the sum is 30.

The spelling of 15506000157 in words is "fifteen billion, five hundred six million, one hundred fifty-seven", and thus it is an aban number.