255160013021 has 2 divisors, whose sum is σ = 255160013022. Its totient is φ = 255160013020.

The previous prime is 255160012981. The next prime is 255160013111. The reversal of 255160013021 is 120310061552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219970380100 + 35189632921 = 469010^2 + 187589^2 .

It is a cyclic number.

It is not a de Polignac number, because 255160013021 - 2³⁴ = 237980143837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255160013221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127580006510 + 127580006511.

It is an arithmetic number, because the mean of its divisors is an integer number (127580006511).

Almost surely, 2^255160013021 is an apocalyptic number.

It is an amenable number.

255160013021 is a deficient number, since it is larger than the sum of its proper divisors (1).

255160013021 is an equidigital number, since it uses as much as digits as its factorization.

255160013021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 255160013021 its reverse (120310061552), we get a palindrome (375470074573).

The spelling of 255160013021 in words is "two hundred fifty-five billion, one hundred sixty million, thirteen thousand, twenty-one".