15106604255617 has 48 divisors (see below), whose sum is σ = 18423128505600. Its totient is φ = 12327421518720.

The previous prime is 15106604255609. The next prime is 15106604255623. The reversal of 15106604255617 is 71655240660151.

It is not a de Polignac number, because 15106604255617 - 2³ = 15106604255609 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (15106604255647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 986127484 + ... + 986142802.

It is an arithmetic number, because the mean of its divisors is an integer number (383815177200).

Almost surely, 2^{15106604255617} is an apocalyptic number.

It is an amenable number.

15106604255617 is a deficient number, since it is larger than the sum of its proper divisors (3316524249983).

15106604255617 is a wasteful number, since it uses less digits than its factorization.

15106604255617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19406 (or 19399 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 15106604255617 in words is "fifteen trillion, one hundred six billion, six hundred four million, two hundred fifty-five thousand, six hundred seventeen".