15791181475105 has 32 divisors (see below), whose sum is σ = 19479057666048. Its totient is φ = 12284302867200.

The previous prime is 15791181475081. The next prime is 15791181475117. The reversal of 15791181475105 is 50157418119751.

15791181475105 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 15791181475105 - 2⁵ = 15791181475073 is a prime.

It is a super-2 number, since 2×15791181475105² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32437395 + ... + 32920615.

It is an arithmetic number, because the mean of its divisors is an integer number (608720552064).

Almost surely, 2^{15791181475105} is an apocalyptic number.

It is an amenable number.

15791181475105 is a deficient number, since it is larger than the sum of its proper divisors (3687876190943).

15791181475105 is a wasteful number, since it uses less digits than its factorization.

15791181475105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484377.

The product of its (nonzero) digits is 1764000, while the sum is 55.

The spelling of 15791181475105 in words is "fifteen trillion, seven hundred ninety-one billion, one hundred eighty-one million, four hundred seventy-five thousand, one hundred five".