15265383155 has 24 divisors (see below), whose sum is σ = 21228460560. Its totient is φ = 10449021440.

The previous prime is 15265383143. The next prime is 15265383193. The reversal of 15265383155 is 55138356251.

It is not a de Polignac number, because 15265383155 - 2¹⁰ = 15265382131 is a prime.

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 23 ways as a sum of consecutive naturals, for example, 464300 + ... + 496089.

It is an arithmetic number, because the mean of its divisors is an integer number (884519190).

Almost surely, 2^15265383155 is an apocalyptic number.

15265383155 is a deficient number, since it is larger than the sum of its proper divisors (5963077405).

15265383155 is a wasteful number, since it uses less digits than its factorization.

15265383155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960439 (or 960422 counting only the distinct ones).

The product of its digits is 540000, while the sum is 44.

The spelling of 15265383155 in words is "fifteen billion, two hundred sixty-five million, three hundred eighty-three thousand, one hundred fifty-five".