5645520255465 has 16 divisors (see below), whose sum is σ = 10036480454400. Its totient is φ = 3010944136176.

The previous prime is 5645520255371. The next prime is 5645520255527.

It is a happy number.

5645520255465 is a `hidden beast` number, since 5 + 6 + 4 + 5 + 5 + 20 + 2 + 554 + 65 = 666.

5645520255465 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5645520255465 - 2¹² = 5645520251369 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20909334145 + ... + 20909334414.

It is an arithmetic number, because the mean of its divisors is an integer number (627280028400).

Almost surely, 2^{5645520255465} is an apocalyptic number.

It is an amenable number.

5645520255465 is a deficient number, since it is larger than the sum of its proper divisors (4390960198935).

5645520255465 is a wasteful number, since it uses less digits than its factorization.

5645520255465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41818668573 (or 41818668567 counting only the distinct ones).

The product of its (nonzero) digits is 36000000, while the sum is 54.

The spelling of 5645520255465 in words is "five trillion, six hundred forty-five billion, five hundred twenty million, two hundred fifty-five thousand, four hundred sixty-five".