255517625536 has 56 divisors (see below), whose sum is σ = 508510787904. Its totient is φ = 127389400320.

The previous prime is 255517625533. The next prime is 255517625591. The reversal of 255517625536 is 635526715552.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (255517625533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46599051 + ... + 46604533.

It is an arithmetic number, because the mean of its divisors is an integer number (9080549784).

Almost surely, 2^255517625536 is an apocalyptic number.

It is an amenable number.

255517625536 is a deficient number, since it is larger than the sum of its proper divisors (252993162368).

255517625536 is a wasteful number, since it uses less digits than its factorization.

255517625536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7469 (or 7459 counting only the distinct ones).

The product of its digits is 9450000, while the sum is 52.

The spelling of 255517625536 in words is "two hundred fifty-five billion, five hundred seventeen million, six hundred twenty-five thousand, five hundred thirty-six".