791101111111 has 24 divisors (see below), whose sum is σ = 847909671840. Its totient is φ = 737190941760.

The previous prime is 791101111079. The next prime is 791101111117. The reversal of 791101111111 is 111111101197.

It is a happy number.

It is not a de Polignac number, because 791101111111 - 2⁵ = 791101111079 is a prime.

It is a Duffinian number.

791101111111 is a modest number, since divided by 1111111 gives 79110 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791101111117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10357086 + ... + 10433188.

It is an arithmetic number, because the mean of its divisors is an integer number (35329569660).

Almost surely, 2^791101111111 is an apocalyptic number.

791101111111 is a deficient number, since it is larger than the sum of its proper divisors (56808560729).

791101111111 is a wasteful number, since it uses less digits than its factorization.

791101111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76567 (or 76536 counting only the distinct ones).

The product of its (nonzero) digits is 63, while the sum is 25.

The spelling of 791101111111 in words is "seven hundred ninety-one billion, one hundred one million, one hundred eleven thousand, one hundred eleven".