121170459445579 has 2 divisors, whose sum is σ = 121170459445580. Its totient is φ = 121170459445578.

The previous prime is 121170459445573. The next prime is 121170459445627. The reversal of 121170459445579 is 975544954071121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121170459445579 - 2⁵ = 121170459445547 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121170459445579.

It is not a weakly prime, because it can be changed into another prime (121170459445573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60585229722789 + 60585229722790.

It is an arithmetic number, because the mean of its divisors is an integer number (60585229722790).

Almost surely, 2^{121170459445579} is an apocalyptic number.

121170459445579 is a deficient number, since it is larger than the sum of its proper divisors (1).

121170459445579 is an equidigital number, since it uses as much as digits as its factorization.

121170459445579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63504000, while the sum is 64.

The spelling of 121170459445579 in words is "one hundred twenty-one trillion, one hundred seventy billion, four hundred fifty-nine million, four hundred forty-five thousand, five hundred seventy-nine".