255364758243 has 32 divisors (see below), whose sum is σ = 436644472320. Its totient is φ = 144477928800.

The previous prime is 255364758241. The next prime is 255364758247. The reversal of 255364758243 is 342857463552.

255364758243 is a `hidden beast` number, since 2 + 5 + 53 + 6 + 4 + 7 + 582 + 4 + 3 = 666.

It is not a de Polignac number, because 255364758243 - 2¹ = 255364758241 is a prime.

It is a super-2 number, since 2×255364758243² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255364758243.

It is not an unprimeable number, because it can be changed into a prime (255364758241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6669705 + ... + 6707882.

It is an arithmetic number, because the mean of its divisors is an integer number (13645139760).

Almost surely, 2^255364758243 is an apocalyptic number.

255364758243 is a deficient number, since it is larger than the sum of its proper divisors (181279714077).

255364758243 is a wasteful number, since it uses less digits than its factorization.

255364758243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13377704 (or 13377698 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 54.

The spelling of 255364758243 in words is "two hundred fifty-five billion, three hundred sixty-four million, seven hundred fifty-eight thousand, two hundred forty-three".