79021594911 has 32 divisors (see below), whose sum is σ = 121091148288. Its totient is φ = 44901826560.

The previous prime is 79021594889. The next prime is 79021594913. The reversal of 79021594911 is 11949512097.

It is not a de Polignac number, because 79021594911 - 2⁵ = 79021594879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79021594913) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 3188076 + ... + 3212766.

It is an arithmetic number, because the mean of its divisors is an integer number (3784098384).

Almost surely, 2^79021594911 is an apocalyptic number.

79021594911 is a deficient number, since it is larger than the sum of its proper divisors (42069553377).

79021594911 is a wasteful number, since it uses less digits than its factorization.

79021594911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25551.

The product of its (nonzero) digits is 204120, while the sum is 48.

The spelling of 79021594911 in words is "seventy-nine billion, twenty-one million, five hundred ninety-four thousand, nine hundred eleven".