15246540131 has 2 divisors, whose sum is σ = 15246540132. Its totient is φ = 15246540130.

The previous prime is 15246540109. The next prime is 15246540191. The reversal of 15246540131 is 13104564251.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15246540131 - 2¹⁰ = 15246539107 is a prime.

It is a super-2 number, since 2×15246540131² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15246540191) 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, 7623270065 + 7623270066.

It is an arithmetic number, because the mean of its divisors is an integer number (7623270066).

Almost surely, 2^15246540131 is an apocalyptic number.

15246540131 is a deficient number, since it is larger than the sum of its proper divisors (1).

15246540131 is an equidigital number, since it uses as much as digits as its factorization.

15246540131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 15246540131 in words is "fifteen billion, two hundred forty-six million, five hundred forty thousand, one hundred thirty-one".