15071291855 has 16 divisors (see below), whose sum is σ = 18672745728. Its totient is φ = 11665728000.

The previous prime is 15071291849. The next prime is 15071291867. The reversal of 15071291855 is 55819217051.

15071291855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 15071291855 - 2⁴ = 15071291839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1455095 + ... + 1465415.

It is an arithmetic number, because the mean of its divisors is an integer number (1167046608).

Almost surely, 2^15071291855 is an apocalyptic number.

15071291855 is a deficient number, since it is larger than the sum of its proper divisors (3601453873).

15071291855 is a wasteful number, since it uses less digits than its factorization.

15071291855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19778.

The product of its (nonzero) digits is 126000, while the sum is 44.

The spelling of 15071291855 in words is "fifteen billion, seventy-one million, two hundred ninety-one thousand, eight hundred fifty-five".