1255404652451 has 2 divisors, whose sum is σ = 1255404652452. Its totient is φ = 1255404652450.

The previous prime is 1255404652409. The next prime is 1255404652457. The reversal of 1255404652451 is 1542564045521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1255404652451 - 2¹⁴ = 1255404636067 is a prime.

It is a super-2 number, since 2×1255404652451² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1255404652457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627702326225 + 627702326226.

It is an arithmetic number, because the mean of its divisors is an integer number (627702326226).

Almost surely, 2^{1255404652451} is an apocalyptic number.

1255404652451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255404652451 is an equidigital number, since it uses as much as digits as its factorization.

1255404652451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 1255404652451 its reverse (1542564045521), we get a palindrome (2797968697972).

The spelling of 1255404652451 in words is "one trillion, two hundred fifty-five billion, four hundred four million, six hundred fifty-two thousand, four hundred fifty-one".