255234231121 has 2 divisors, whose sum is σ = 255234231122. Its totient is φ = 255234231120.

The previous prime is 255234231073. The next prime is 255234231127. The reversal of 255234231121 is 121132432552.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 254757420225 + 476810896 = 504735^2 + 21836^2 .

It is a cyclic number.

It is not a de Polignac number, because 255234231121 - 2⁹ = 255234230609 is a prime.

It is not a weakly prime, because it can be changed into another prime (255234231127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127617115560 + 127617115561.

It is an arithmetic number, because the mean of its divisors is an integer number (127617115561).

Almost surely, 2^255234231121 is an apocalyptic number.

It is an amenable number.

255234231121 is a deficient number, since it is larger than the sum of its proper divisors (1).

255234231121 is an equidigital number, since it uses as much as digits as its factorization.

255234231121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 31.

Adding to 255234231121 its reverse (121132432552), we get a palindrome (376366663673).

The spelling of 255234231121 in words is "two hundred fifty-five billion, two hundred thirty-four million, two hundred thirty-one thousand, one hundred twenty-one".