12440476511 has 2 divisors, whose sum is σ = 12440476512. Its totient is φ = 12440476510.

The previous prime is 12440476507. The next prime is 12440476513. The reversal of 12440476511 is 11567404421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12440476511 - 2² = 12440476507 is a prime.

Together with 12440476513, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440476513) 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, 6220238255 + 6220238256.

It is an arithmetic number, because the mean of its divisors is an integer number (6220238256).

Almost surely, 2^12440476511 is an apocalyptic number.

12440476511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440476511 is an equidigital number, since it uses as much as digits as its factorization.

12440476511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 12440476511 in words is "twelve billion, four hundred forty million, four hundred seventy-six thousand, five hundred eleven".