11367716881 has 2 divisors, whose sum is σ = 11367716882. Its totient is φ = 11367716880.

The previous prime is 11367716879. The next prime is 11367716911. The reversal of 11367716881 is 18861776311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7864142400 + 3503574481 = 88680^2 + 59191^2 .

It is a cyclic number.

It is not a de Polignac number, because 11367716881 - 2¹ = 11367716879 is a prime.

It is a super-2 number, since 2×11367716881² (a number of 21 digits) contains 22 as substring.

Together with 11367716879, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11367716831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5683858440 + 5683858441.

It is an arithmetic number, because the mean of its divisors is an integer number (5683858441).

Almost surely, 2^11367716881 is an apocalyptic number.

It is an amenable number.

11367716881 is a deficient number, since it is larger than the sum of its proper divisors (1).

11367716881 is an equidigital number, since it uses as much as digits as its factorization.

11367716881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 338688, while the sum is 49.

The spelling of 11367716881 in words is "eleven billion, three hundred sixty-seven million, seven hundred sixteen thousand, eight hundred eighty-one".