104831611691 has 2 divisors, whose sum is σ = 104831611692. Its totient is φ = 104831611690.

The previous prime is 104831611663. The next prime is 104831611751. The reversal of 104831611691 is 196116138401.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-104831611691 is a prime.

It is not a weakly prime, because it can be changed into another prime (104831611991) 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 as a sum of consecutive naturals, namely, 52415805845 + 52415805846.

It is an arithmetic number, because the mean of its divisors is an integer number (52415805846).

Almost surely, 2^104831611691 is an apocalyptic number.

104831611691 is a deficient number, since it is larger than the sum of its proper divisors (1).

104831611691 is an equidigital number, since it uses as much as digits as its factorization.

104831611691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 41.

The spelling of 104831611691 in words is "one hundred four billion, eight hundred thirty-one million, six hundred eleven thousand, six hundred ninety-one".