255645263007 has 12 divisors (see below), whose sum is σ = 369342549160. Its totient is φ = 170394558768.

The previous prime is 255645262993. The next prime is 255645263039. The reversal of 255645263007 is 700362546552.

255645263007 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 4 + 5 + 2 + 630 + 0 + 7 = 666.

It is not a de Polignac number, because 255645263007 - 2⁷ = 255645262879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255645262007) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2922553 + ... + 3008754.

Almost surely, 2^255645263007 is an apocalyptic number.

255645263007 is a deficient number, since it is larger than the sum of its proper divisors (113697286153).

255645263007 is a wasteful number, since it uses less digits than its factorization.

255645263007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5936102 (or 5936099 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 45.

The spelling of 255645263007 in words is "two hundred fifty-five billion, six hundred forty-five million, two hundred sixty-three thousand, seven".