255655014557 has 2 divisors, whose sum is σ = 255655014558. Its totient is φ = 255655014556.

The previous prime is 255655014529. The next prime is 255655014569. The reversal of 255655014557 is 755410556552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 243582718681 + 12072295876 = 493541^2 + 109874^2 .

It is a cyclic number.

It is not a de Polignac number, because 255655014557 - 2⁶ = 255655014493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255655014157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127827507278 + 127827507279.

It is an arithmetic number, because the mean of its divisors is an integer number (127827507279).

Almost surely, 2^255655014557 is an apocalyptic number.

It is an amenable number.

255655014557 is a deficient number, since it is larger than the sum of its proper divisors (1).

255655014557 is an equidigital number, since it uses as much as digits as its factorization.

255655014557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5250000, while the sum is 50.

The spelling of 255655014557 in words is "two hundred fifty-five billion, six hundred fifty-five million, fourteen thousand, five hundred fifty-seven".