255701611 has 4 divisors (see below), whose sum is σ = 278947224. Its totient is φ = 232456000.

The previous prime is 255701597. The next prime is 255701617. The reversal of 255701611 is 116107552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 255701611 - 2⁹ = 255701099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255701611.

It is not an unprimeable number, because it can be changed into a prime (255701617) 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, 11622790 + ... + 11622811.

It is an arithmetic number, because the mean of its divisors is an integer number (69736806).

Almost surely, 2^255701611 is an apocalyptic number.

255701611 is a deficient number, since it is larger than the sum of its proper divisors (23245613).

255701611 is a wasteful number, since it uses less digits than its factorization.

255701611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23245612.

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 255701611 is about 15990.6726250024. The cubic root of 255701611 is about 634.7136253900.

The spelling of 255701611 in words is "two hundred fifty-five million, seven hundred one thousand, six hundred eleven".