255050231310121 has 8 divisors (see below), whose sum is σ = 274669825593800. Its totient is φ = 235430686415232.

The previous prime is 255050231310073. The next prime is 255050231310157. The reversal of 255050231310121 is 121013132050552.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1342676070121 + 253707555240000 = 1158739^2 + 15928200^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255050231310121 - 2²¹ = 255050229212969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255050231314121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1252446 + ... + 22620103.

It is an arithmetic number, because the mean of its divisors is an integer number (34333728199225).

Almost surely, 2^{255050231310121} is an apocalyptic number.

It is an amenable number.

255050231310121 is a deficient number, since it is larger than the sum of its proper divisors (19619594283679).

255050231310121 is a wasteful number, since it uses less digits than its factorization.

255050231310121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24694395.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 255050231310121 its reverse (121013132050552), we get a palindrome (376063363360673).

The spelling of 255050231310121 in words is "two hundred fifty-five trillion, fifty billion, two hundred thirty-one million, three hundred ten thousand, one hundred twenty-one".