104721551899 has 2 divisors, whose sum is σ = 104721551900. Its totient is φ = 104721551898.

The previous prime is 104721551867. The next prime is 104721551927. The reversal of 104721551899 is 998155127401.

It is a strong prime.

It is an emirp because it is prime and its reverse (998155127401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104721551899 - 2⁵ = 104721551867 is a prime.

It is not a weakly prime, because it can be changed into another prime (104721551849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52360775949 + 52360775950.

It is an arithmetic number, because the mean of its divisors is an integer number (52360775950).

Almost surely, 2^104721551899 is an apocalyptic number.

104721551899 is a deficient number, since it is larger than the sum of its proper divisors (1).

104721551899 is an equidigital number, since it uses as much as digits as its factorization.

104721551899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 52.

The spelling of 104721551899 in words is "one hundred four billion, seven hundred twenty-one million, five hundred fifty-one thousand, eight hundred ninety-nine".