255576616745 has 16 divisors (see below), whose sum is σ = 320073361920. Its totient is φ = 195542956224.

The previous prime is 255576616703. The next prime is 255576616751. The reversal of 255576616745 is 547616675552.

It is a cyclic number.

It is not a de Polignac number, because 255576616745 - 2⁶ = 255576616681 is a prime.

It is a super-2 number, since 2×255576616745² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

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, 640607 + ... + 959963.

It is an arithmetic number, because the mean of its divisors is an integer number (20004585120).

Almost surely, 2^255576616745 is an apocalyptic number.

It is an amenable number.

255576616745 is a deficient number, since it is larger than the sum of its proper divisors (64496745175).

255576616745 is a wasteful number, since it uses less digits than its factorization.

255576616745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326344.

The product of its digits is 52920000, while the sum is 59.

The spelling of 255576616745 in words is "two hundred fifty-five billion, five hundred seventy-six million, six hundred sixteen thousand, seven hundred forty-five".