104105181960919 has 2 divisors, whose sum is σ = 104105181960920. Its totient is φ = 104105181960918.

The previous prime is 104105181960883. The next prime is 104105181960943. The reversal of 104105181960919 is 919069181501401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 104105181960919 - 2³⁵ = 104070822222551 is a prime.

It is a super-2 number, since 2×104105181960919² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 104105181960919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104105181960959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52052590980459 + 52052590980460.

It is an arithmetic number, because the mean of its divisors is an integer number (52052590980460).

Almost surely, 2^{104105181960919} is an apocalyptic number.

104105181960919 is a deficient number, since it is larger than the sum of its proper divisors (1).

104105181960919 is an equidigital number, since it uses as much as digits as its factorization.

104105181960919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 699840, while the sum is 55.

The spelling of 104105181960919 in words is "one hundred four trillion, one hundred five billion, one hundred eighty-one million, nine hundred sixty thousand, nine hundred nineteen".