120161056777 has 4 divisors (see below), whose sum is σ = 120351486976. Its totient is φ = 119970626580.

The previous prime is 120161056759. The next prime is 120161056781. The reversal of 120161056777 is 777650161021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 777650161021 = 169943 ⋅4575947.

It is a cyclic number.

It is not a de Polignac number, because 120161056777 - 2²³ = 120152668169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120161056747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95214153 + ... + 95215414.

It is an arithmetic number, because the mean of its divisors is an integer number (30087871744).

Almost surely, 2^120161056777 is an apocalyptic number.

It is an amenable number.

120161056777 is a deficient number, since it is larger than the sum of its proper divisors (190430199).

120161056777 is an equidigital number, since it uses as much as digits as its factorization.

120161056777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190430198.

The product of its (nonzero) digits is 123480, while the sum is 43.

The spelling of 120161056777 in words is "one hundred twenty billion, one hundred sixty-one million, fifty-six thousand, seven hundred seventy-seven".