1255667814451 has 2 divisors, whose sum is σ = 1255667814452. Its totient is φ = 1255667814450.

The previous prime is 1255667814361. The next prime is 1255667814491. The reversal of 1255667814451 is 1544187665521.

It is a strong prime.

It is an emirp because it is prime and its reverse (1544187665521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1255667814451 - 2¹¹ = 1255667812403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1255667814392 and 1255667814401.

It is not a weakly prime, because it can be changed into another prime (1255667814491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627833907225 + 627833907226.

It is an arithmetic number, because the mean of its divisors is an integer number (627833907226).

Almost surely, 2^{1255667814451} is an apocalyptic number.

1255667814451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255667814451 is an equidigital number, since it uses as much as digits as its factorization.

1255667814451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064000, while the sum is 55.

The spelling of 1255667814451 in words is "one trillion, two hundred fifty-five billion, six hundred sixty-seven million, eight hundred fourteen thousand, four hundred fifty-one".