1264797093811 has 2 divisors, whose sum is σ = 1264797093812. Its totient is φ = 1264797093810.

The previous prime is 1264797093787. The next prime is 1264797093827. The reversal of 1264797093811 is 1183907974621.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1264797093811 - 2⁵ = 1264797093779 is a prime.

It is not a weakly prime, because it can be changed into another prime (1264797094811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 632398546905 + 632398546906.

It is an arithmetic number, because the mean of its divisors is an integer number (632398546906).

Almost surely, 2^{1264797093811} is an apocalyptic number.

1264797093811 is a deficient number, since it is larger than the sum of its proper divisors (1).

1264797093811 is an equidigital number, since it uses as much as digits as its factorization.

1264797093811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 58.

The spelling of 1264797093811 in words is "one trillion, two hundred sixty-four billion, seven hundred ninety-seven million, ninety-three thousand, eight hundred eleven".