104185591801 has 2 divisors, whose sum is σ = 104185591802. Its totient is φ = 104185591800.

The previous prime is 104185591759. The next prime is 104185591837. The reversal of 104185591801 is 108195581401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88758709776 + 15426882025 = 297924^2 + 124205^2 .

It is a cyclic number.

It is not a de Polignac number, because 104185591801 - 2¹⁹ = 104185067513 is a prime.

It is not a weakly prime, because it can be changed into another prime (104185591501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52092795900 + 52092795901.

It is an arithmetic number, because the mean of its divisors is an integer number (52092795901).

Almost surely, 2^104185591801 is an apocalyptic number.

It is an amenable number.

104185591801 is a deficient number, since it is larger than the sum of its proper divisors (1).

104185591801 is an equidigital number, since it uses as much as digits as its factorization.

104185591801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 43.

The spelling of 104185591801 in words is "one hundred four billion, one hundred eighty-five million, five hundred ninety-one thousand, eight hundred one".