255223520465 has 16 divisors (see below), whose sum is σ = 308551723200. Its totient is φ = 202657248192.

The previous prime is 255223520411. The next prime is 255223520477. The reversal of 255223520465 is 564025322552.

It is a cyclic number.

It is not a de Polignac number, because 255223520465 - 2²⁴ = 255206743249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2747519 + ... + 2838891.

It is an arithmetic number, because the mean of its divisors is an integer number (19284482700).

Almost surely, 2^255223520465 is an apocalyptic number.

It is an amenable number.

255223520465 is a deficient number, since it is larger than the sum of its proper divisors (53328202735).

255223520465 is a wasteful number, since it uses less digits than its factorization.

255223520465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95536.

The product of its (nonzero) digits is 720000, while the sum is 41.

The spelling of 255223520465 in words is "two hundred fifty-five billion, two hundred twenty-three million, five hundred twenty thousand, four hundred sixty-five".