104187197651 has 2 divisors, whose sum is σ = 104187197652. Its totient is φ = 104187197650.

The previous prime is 104187197617. The next prime is 104187197663. The reversal of 104187197651 is 156791781401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104187197651 - 2¹⁸ = 104186935507 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104187197651.

It is not a weakly prime, because it can be changed into another prime (104187197671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52093598825 + 52093598826.

It is an arithmetic number, because the mean of its divisors is an integer number (52093598826).

Almost surely, 2^104187197651 is an apocalyptic number.

104187197651 is a deficient number, since it is larger than the sum of its proper divisors (1).

104187197651 is an equidigital number, since it uses as much as digits as its factorization.

104187197651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 50.

The spelling of 104187197651 in words is "one hundred four billion, one hundred eighty-seven million, one hundred ninety-seven thousand, six hundred fifty-one".