255644761351 has 16 divisors (see below), whose sum is σ = 299462077440. Its totient is φ = 213716368800.

The previous prime is 255644761247. The next prime is 255644761357. The reversal of 255644761351 is 153167446552.

It is a cyclic number.

It is not a de Polignac number, because 255644761351 - 2¹⁵ = 255644728583 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255644761295 and 255644761304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255644761357) 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, 2651071 + ... + 2745808.

It is an arithmetic number, because the mean of its divisors is an integer number (18716379840).

Almost surely, 2^255644761351 is an apocalyptic number.

255644761351 is a deficient number, since it is larger than the sum of its proper divisors (43817316089).

255644761351 is a wasteful number, since it uses less digits than its factorization.

255644761351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5397054.

The product of its digits is 3024000, while the sum is 49.

The spelling of 255644761351 in words is "two hundred fifty-five billion, six hundred forty-four million, seven hundred sixty-one thousand, three hundred fifty-one".