255151115 has 4 divisors (see below), whose sum is σ = 306181344. Its totient is φ = 204120888.

The previous prime is 255151103. The next prime is 255151151. The reversal of 255151115 is 511151552.

255151115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255151115 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25515107 + ... + 25515116.

It is an arithmetic number, because the mean of its divisors is an integer number (76545336).

Almost surely, 2^255151115 is an apocalyptic number.

255151115 is a deficient number, since it is larger than the sum of its proper divisors (51030229).

255151115 is an equidigital number, since it uses as much as digits as its factorization.

255151115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51030228.

The product of its digits is 1250, while the sum is 26.

The square root of 255151115 is about 15973.4503160714. The cubic root of 255151115 is about 634.2578097808.

The spelling of 255151115 in words is "two hundred fifty-five million, one hundred fifty-one thousand, one hundred fifteen".