15142540559 has 6 divisors (see below), whose sum is σ = 15682703400. Its totient is φ = 14620383176.

The previous prime is 15142540507. The next prime is 15142540579. The reversal of 15142540559 is 95504524151.

It is a happy number.

It is not a de Polignac number, because 15142540559 - 2²⁴ = 15125763343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15142540579) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9001859 + ... + 9003540.

It is an arithmetic number, because the mean of its divisors is an integer number (2613783900).

Almost surely, 2^15142540559 is an apocalyptic number.

15142540559 is a deficient number, since it is larger than the sum of its proper divisors (540162841).

15142540559 is an equidigital number, since it uses as much as digits as its factorization.

15142540559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18005457 (or 18005428 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 15142540559 in words is "fifteen billion, one hundred forty-two million, five hundred forty thousand, five hundred fifty-nine".