15245240563615 has 16 divisors (see below), whose sum is σ = 19028582977536. Its totient is φ = 11712669415200.

The previous prime is 15245240563603. The next prime is 15245240563661. The reversal of 15245240563615 is 51636504254251.

It is not a de Polignac number, because 15245240563615 - 2²¹ = 15245238466463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 375385767 + ... + 375426376.

It is an arithmetic number, because the mean of its divisors is an integer number (1189286436096).

Almost surely, 2^{15245240563615} is an apocalyptic number.

15245240563615 is a deficient number, since it is larger than the sum of its proper divisors (3783342413921).

15245240563615 is a wasteful number, since it uses less digits than its factorization.

15245240563615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750812310.

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 15245240563615 in words is "fifteen trillion, two hundred forty-five billion, two hundred forty million, five hundred sixty-three thousand, six hundred fifteen".