1255267378751 has 2 divisors, whose sum is σ = 1255267378752. Its totient is φ = 1255267378750.

The previous prime is 1255267378733. The next prime is 1255267378787. The reversal of 1255267378751 is 1578737625521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255267378751 - 2²² = 1255263184447 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255267378711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627633689375 + 627633689376.

It is an arithmetic number, because the mean of its divisors is an integer number (627633689376).

Almost surely, 2^{1255267378751} is an apocalyptic number.

1255267378751 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255267378751 is an equidigital number, since it uses as much as digits as its factorization.

1255267378751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24696000, while the sum is 59.

The spelling of 1255267378751 in words is "one trillion, two hundred fifty-five billion, two hundred sixty-seven million, three hundred seventy-eight thousand, seven hundred fifty-one".