255562642507 has 4 divisors (see below), whose sum is σ = 255563683480. Its totient is φ = 255561601536.

The previous prime is 255562642483. The next prime is 255562642519. The reversal of 255562642507 is 705246265552.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255562642507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255562642547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74443 + ... + 718795.

It is an arithmetic number, because the mean of its divisors is an integer number (63890920870).

Almost surely, 2^255562642507 is an apocalyptic number.

255562642507 is a deficient number, since it is larger than the sum of its proper divisors (1040973).

255562642507 is an equidigital number, since it uses as much as digits as its factorization.

255562642507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040972.

The product of its (nonzero) digits is 5040000, while the sum is 49.

The spelling of 255562642507 in words is "two hundred fifty-five billion, five hundred sixty-two million, six hundred forty-two thousand, five hundred seven".