255742562361 has 16 divisors (see below), whose sum is σ = 400603734720. Its totient is φ = 143072761920.

The previous prime is 255742562357. The next prime is 255742562381. The reversal of 255742562361 is 163265247552.

It is not a de Polignac number, because 255742562361 - 2² = 255742562357 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255742562361.

It is not an unprimeable number, because it can be changed into a prime (255742562381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 298067826 + ... + 298068683.

It is an arithmetic number, because the mean of its divisors is an integer number (25037733420).

Almost surely, 2^255742562361 is an apocalyptic number.

It is an amenable number.

255742562361 is a deficient number, since it is larger than the sum of its proper divisors (144861172359).

255742562361 is a wasteful number, since it uses less digits than its factorization.

255742562361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596136536.

The product of its digits is 3024000, while the sum is 48.

The spelling of 255742562361 in words is "two hundred fifty-five billion, seven hundred forty-two million, five hundred sixty-two thousand, three hundred sixty-one".