255645611345 has 16 divisors (see below), whose sum is σ = 308626128720. Its totient is φ = 203285274624.

The previous prime is 255645611293. The next prime is 255645611357. The reversal of 255645611345 is 543116546552.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 6308171776 + 249337439569 = 79424^2 + 499337^2 .

It is a cyclic number.

It is not a de Polignac number, because 255645611345 - 2¹⁶ = 255645545809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255645611345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 482051 + ... + 862359.

It is an arithmetic number, because the mean of its divisors is an integer number (19289133045).

Almost surely, 2^255645611345 is an apocalyptic number.

It is an amenable number.

255645611345 is a deficient number, since it is larger than the sum of its proper divisors (52980517375).

255645611345 is a wasteful number, since it uses less digits than its factorization.

255645611345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381124.

The product of its digits is 2160000, while the sum is 47.

The spelling of 255645611345 in words is "two hundred fifty-five billion, six hundred forty-five million, six hundred eleven thousand, three hundred forty-five".