1253744099911 has 2 divisors, whose sum is σ = 1253744099912. Its totient is φ = 1253744099910.

The previous prime is 1253744099893. The next prime is 1253744099917. The reversal of 1253744099911 is 1199904473521.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1253744099911 - 2¹⁷ = 1253743968839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1253744099917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626872049955 + 626872049956.

It is an arithmetic number, because the mean of its divisors is an integer number (626872049956).

Almost surely, 2^{1253744099911} is an apocalyptic number.

1253744099911 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253744099911 is an equidigital number, since it uses as much as digits as its factorization.

1253744099911 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 55.

The spelling of 1253744099911 in words is "one trillion, two hundred fifty-three billion, seven hundred forty-four million, ninety-nine thousand, nine hundred eleven".