791001021110111 has 16 divisors (see below), whose sum is σ = 954258796968000. Its totient is φ = 654621534703584.

The previous prime is 791001021110089. The next prime is 791001021110123. The reversal of 791001021110111 is 111011120100197.

It is not a de Polignac number, because 791001021110111 - 2¹⁸ = 791001020847967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791001024110111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39760773260 + ... + 39760793153.

It is an arithmetic number, because the mean of its divisors is an integer number (59641174810500).

Almost surely, 2^{791001021110111} is an apocalyptic number.

791001021110111 is a deficient number, since it is larger than the sum of its proper divisors (163257775857889).

791001021110111 is an equidigital number, since it uses as much as digits as its factorization.

791001021110111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79521566463 (or 79521566449 counting only the distinct ones).

The product of its (nonzero) digits is 126, while the sum is 26.

The spelling of 791001021110111 in words is "seven hundred ninety-one trillion, one billion, twenty-one million, one hundred ten thousand, one hundred eleven".