120561335716499 has 2 divisors, whose sum is σ = 120561335716500. Its totient is φ = 120561335716498.

The previous prime is 120561335716411. The next prime is 120561335716537. The reversal of 120561335716499 is 994617533165021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 120561335716499 - 2²⁰ = 120561334667923 is a prime.

It is not a weakly prime, because it can be changed into another prime (120561335710499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60280667858249 + 60280667858250.

It is an arithmetic number, because the mean of its divisors is an integer number (60280667858250).

Almost surely, 2^{120561335716499} is an apocalyptic number.

120561335716499 is a deficient number, since it is larger than the sum of its proper divisors (1).

120561335716499 is an equidigital number, since it uses as much as digits as its factorization.

120561335716499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36741600, while the sum is 62.

The spelling of 120561335716499 in words is "one hundred twenty trillion, five hundred sixty-one billion, three hundred thirty-five million, seven hundred sixteen thousand, four hundred ninety-nine".