15130561523 has 24 divisors (see below), whose sum is σ = 19833402624. Its totient is φ = 11277422640.

The previous prime is 15130561447. The next prime is 15130561541. The reversal of 15130561523 is 32516503151.

It is not a de Polignac number, because 15130561523 - 2¹⁰ = 15130560499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15130561523.

It is not an unprimeable number, because it can be changed into a prime (15130561543) 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, 368861 + ... + 407822.

It is an arithmetic number, because the mean of its divisors is an integer number (826391776).

Almost surely, 2^15130561523 is an apocalyptic number.

15130561523 is a deficient number, since it is larger than the sum of its proper divisors (4702841101).

15130561523 is a wasteful number, since it uses less digits than its factorization.

15130561523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776735 (or 776724 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 15130561523 in words is "fifteen billion, one hundred thirty million, five hundred sixty-one thousand, five hundred twenty-three".