255211154251 has 4 divisors (see below), whose sum is σ = 258078695400. Its totient is φ = 252343613104.

The previous prime is 255211154227. The next prime is 255211154267. The reversal of 255211154251 is 152451112552.

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 255211154251 - 2⁹ = 255211153739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255211154201) 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, 1433770441 + ... + 1433770618.

It is an arithmetic number, because the mean of its divisors is an integer number (64519673850).

Almost surely, 2^255211154251 is an apocalyptic number.

255211154251 is a deficient number, since it is larger than the sum of its proper divisors (2867541149).

255211154251 is an equidigital number, since it uses as much as digits as its factorization.

255211154251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2867541148.

The product of its digits is 20000, while the sum is 34.

The spelling of 255211154251 in words is "two hundred fifty-five billion, two hundred eleven million, one hundred fifty-four thousand, two hundred fifty-one".