255012451049 has 2 divisors, whose sum is σ = 255012451050. Its totient is φ = 255012451048.

The previous prime is 255012451009. The next prime is 255012451063. The reversal of 255012451049 is 940154210552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180078863449 + 74933587600 = 424357^2 + 273740^2 .

It is a cyclic number.

It is not a de Polignac number, because 255012451049 - 2³⁶ = 186292974313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (255012451009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127506225524 + 127506225525.

It is an arithmetic number, because the mean of its divisors is an integer number (127506225525).

Almost surely, 2^255012451049 is an apocalyptic number.

It is an amenable number.

255012451049 is a deficient number, since it is larger than the sum of its proper divisors (1).

255012451049 is an equidigital number, since it uses as much as digits as its factorization.

255012451049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 255012451049 in words is "two hundred fifty-five billion, twelve million, four hundred fifty-one thousand, forty-nine".