255612144553 has 2 divisors, whose sum is σ = 255612144554. Its totient is φ = 255612144552.

The previous prime is 255612144539. The next prime is 255612144563. The reversal of 255612144553 is 355441216552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 196841294224 + 58770850329 = 443668^2 + 242427^2 .

It is a cyclic number.

It is not a de Polignac number, because 255612144553 - 2¹³ = 255612136361 is a prime.

It is not a weakly prime, because it can be changed into another prime (255612144563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127806072276 + 127806072277.

It is an arithmetic number, because the mean of its divisors is an integer number (127806072277).

Almost surely, 2^255612144553 is an apocalyptic number.

It is an amenable number.

255612144553 is a deficient number, since it is larger than the sum of its proper divisors (1).

255612144553 is an equidigital number, since it uses as much as digits as its factorization.

255612144553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720000, while the sum is 43.

The spelling of 255612144553 in words is "two hundred fifty-five billion, six hundred twelve million, one hundred forty-four thousand, five hundred fifty-three".