11166426913 has 2 divisors, whose sum is σ = 11166426914. Its totient is φ = 11166426912.

The previous prime is 11166426899. The next prime is 11166426917. The reversal of 11166426913 is 31962466111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8675618449 + 2490808464 = 93143^2 + 49908^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11166426913 is a prime.

It is not a weakly prime, because it can be changed into another prime (11166426917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5583213456 + 5583213457.

It is an arithmetic number, because the mean of its divisors is an integer number (5583213457).

Almost surely, 2^11166426913 is an apocalyptic number.

It is an amenable number.

11166426913 is a deficient number, since it is larger than the sum of its proper divisors (1).

11166426913 is an equidigital number, since it uses as much as digits as its factorization.

11166426913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The spelling of 11166426913 in words is "eleven billion, one hundred sixty-six million, four hundred twenty-six thousand, nine hundred thirteen".