12045257311 has 2 divisors, whose sum is σ = 12045257312. Its totient is φ = 12045257310.

The previous prime is 12045257227. The next prime is 12045257321. The reversal of 12045257311 is 11375254021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12045257311 - 2⁹ = 12045256799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12045257321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022628655 + 6022628656.

It is an arithmetic number, because the mean of its divisors is an integer number (6022628656).

Almost surely, 2^12045257311 is an apocalyptic number.

12045257311 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045257311 is an equidigital number, since it uses as much as digits as its factorization.

12045257311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 12045257311 in words is "twelve billion, forty-five million, two hundred fifty-seven thousand, three hundred eleven".