15142112539 has 2 divisors, whose sum is σ = 15142112540. Its totient is φ = 15142112538.

The previous prime is 15142112521. The next prime is 15142112581. The reversal of 15142112539 is 93521124151.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 15142112539 - 2⁵ = 15142112507 is a prime.

It is a super-3 number, since 3×15142112539³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (15142112509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7571056269 + 7571056270.

It is an arithmetic number, because the mean of its divisors is an integer number (7571056270).

Almost surely, 2^15142112539 is an apocalyptic number.

15142112539 is a deficient number, since it is larger than the sum of its proper divisors (1).

15142112539 is an equidigital number, since it uses as much as digits as its factorization.

15142112539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 34.

The spelling of 15142112539 in words is "fifteen billion, one hundred forty-two million, one hundred twelve thousand, five hundred thirty-nine".