15065015131 has 2 divisors, whose sum is σ = 15065015132. Its totient is φ = 15065015130.

The previous prime is 15065015123. The next prime is 15065015177. The reversal of 15065015131 is 13151056051.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15065015131 - 2³ = 15065015123 is a prime.

It is a super-2 number, since 2×15065015131² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15065015131.

It is not a weakly prime, because it can be changed into another prime (15065015831) 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 as a sum of consecutive naturals, namely, 7532507565 + 7532507566.

It is an arithmetic number, because the mean of its divisors is an integer number (7532507566).

Almost surely, 2^15065015131 is an apocalyptic number.

15065015131 is a deficient number, since it is larger than the sum of its proper divisors (1).

15065015131 is an equidigital number, since it uses as much as digits as its factorization.

15065015131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 28.

The spelling of 15065015131 in words is "fifteen billion, sixty-five million, fifteen thousand, one hundred thirty-one".