4455660345121 has 2 divisors, whose sum is σ = 4455660345122. Its totient is φ = 4455660345120.

The previous prime is 4455660345107. The next prime is 4455660345151. The reversal of 4455660345121 is 1215430665544.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3779136000000 + 676524345121 = 1944000^2 + 822511^2 .

It is a cyclic number.

It is not a de Polignac number, because 4455660345121 - 2⁵ = 4455660345089 is a prime.

It is a super-2 number, since 2×4455660345121² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4455660345151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2227830172560 + 2227830172561.

It is an arithmetic number, because the mean of its divisors is an integer number (2227830172561).

Almost surely, 2^{4455660345121} is an apocalyptic number.

It is an amenable number.

4455660345121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4455660345121 is an equidigital number, since it uses as much as digits as its factorization.

4455660345121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 4455660345121 in words is "four trillion, four hundred fifty-five billion, six hundred sixty million, three hundred forty-five thousand, one hundred twenty-one".