15255366455 has 32 divisors (see below), whose sum is σ = 21383847936. Its totient is φ = 10230079104.

The previous prime is 15255366431. The next prime is 15255366481. The reversal of 15255366455 is 55466355251.

It is not a de Polignac number, because 15255366455 - 2²⁰ = 15254317879 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2624162 + ... + 2629968.

It is an arithmetic number, because the mean of its divisors is an integer number (668245248).

Almost surely, 2^15255366455 is an apocalyptic number.

15255366455 is a deficient number, since it is larger than the sum of its proper divisors (6128481481).

15255366455 is a wasteful number, since it uses less digits than its factorization.

15255366455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7463.

The product of its digits is 2700000, while the sum is 47.

The spelling of 15255366455 in words is "fifteen billion, two hundred fifty-five million, three hundred sixty-six thousand, four hundred fifty-five".