79015144155 has 32 divisors (see below), whose sum is σ = 129477440064. Its totient is φ = 41135579136.

The previous prime is 79015144141. The next prime is 79015144171. The reversal of 79015144155 is 55144151097.

It is not a de Polignac number, because 79015144155 - 2¹² = 79015140059 is a prime.

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, 265744 + ... + 478173.

It is an arithmetic number, because the mean of its divisors is an integer number (4046170002).

Almost surely, 2^79015144155 is an apocalyptic number.

79015144155 is a deficient number, since it is larger than the sum of its proper divisors (50462295909).

79015144155 is a wasteful number, since it uses less digits than its factorization.

79015144155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744095.

The product of its (nonzero) digits is 126000, while the sum is 42.

The spelling of 79015144155 in words is "seventy-nine billion, fifteen million, one hundred forty-four thousand, one hundred fifty-five".