104745807075517 has 2 divisors, whose sum is σ = 104745807075518. Its totient is φ = 104745807075516.

The previous prime is 104745807075491. The next prime is 104745807075643. The reversal of 104745807075517 is 715570708547401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104524736902756 + 221070172761 = 10223734^2 + 470181^2 .

It is a cyclic number.

It is not a de Polignac number, because 104745807075517 - 2¹⁹ = 104745806551229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104745807070517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52372903537758 + 52372903537759.

It is an arithmetic number, because the mean of its divisors is an integer number (52372903537759).

Almost surely, 2^{104745807075517} is an apocalyptic number.

It is an amenable number.

104745807075517 is a deficient number, since it is larger than the sum of its proper divisors (1).

104745807075517 is an equidigital number, since it uses as much as digits as its factorization.

104745807075517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38416000, while the sum is 61.

The spelling of 104745807075517 in words is "one hundred four trillion, seven hundred forty-five billion, eight hundred seven million, seventy-five thousand, five hundred seventeen".