15120025560497 has 16 divisors (see below), whose sum is σ = 18028511858112. Its totient is φ = 12498758205120.

The previous prime is 15120025560421. The next prime is 15120025560517. The reversal of 15120025560497 is 79406552002151.

It is not a de Polignac number, because 15120025560497 - 2¹⁸ = 15120025298353 is a prime.

It is a super-3 number, since 3×15120025560497³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15120025560197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 789053438 + ... + 789072599.

It is an arithmetic number, because the mean of its divisors is an integer number (1126781991132).

Almost surely, 2^{15120025560497} is an apocalyptic number.

It is an amenable number.

15120025560497 is a deficient number, since it is larger than the sum of its proper divisors (2908486297615).

15120025560497 is a wasteful number, since it uses less digits than its factorization.

15120025560497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578126128.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 15120025560497 in words is "fifteen trillion, one hundred twenty billion, twenty-five million, five hundred sixty thousand, four hundred ninety-seven".