11976281311 has 2 divisors, whose sum is σ = 11976281312. Its totient is φ = 11976281310.

The previous prime is 11976281287. The next prime is 11976281357. The reversal of 11976281311 is 11318267911.

It is a weak prime.

It is an emirp because it is prime and its reverse (11318267911) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11976281311 - 2⁷ = 11976281183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11976281711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5988140655 + 5988140656.

It is an arithmetic number, because the mean of its divisors is an integer number (5988140656).

Almost surely, 2^11976281311 is an apocalyptic number.

11976281311 is a deficient number, since it is larger than the sum of its proper divisors (1).

11976281311 is an equidigital number, since it uses as much as digits as its factorization.

11976281311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 40.

The spelling of 11976281311 in words is "eleven billion, nine hundred seventy-six million, two hundred eighty-one thousand, three hundred eleven".