15867315255 has 32 divisors (see below), whose sum is σ = 27710242560. Its totient is φ = 7689198080.

The previous prime is 15867315251. The next prime is 15867315263. The reversal of 15867315255 is 55251376851.

It is not a de Polignac number, because 15867315255 - 2² = 15867315251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15867315251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302239 + ... + 350831.

It is an arithmetic number, because the mean of its divisors is an integer number (865945080).

Almost surely, 2^15867315255 is an apocalyptic number.

15867315255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

15867315255 is a deficient number, since it is larger than the sum of its proper divisors (11842927305).

15867315255 is a wasteful number, since it uses less digits than its factorization.

15867315255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50591.

The product of its digits is 1260000, while the sum is 48.

The spelling of 15867315255 in words is "fifteen billion, eight hundred sixty-seven million, three hundred fifteen thousand, two hundred fifty-five".