11267397913 has 2 divisors, whose sum is σ = 11267397914. Its totient is φ = 11267397912.

The previous prime is 11267397899. The next prime is 11267397929. The reversal of 11267397913 is 31979376211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11267397904 + 9 = 106148^2 + 3^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11267397913 is a prime.

It is not a weakly prime, because it can be changed into another prime (11267317913) 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, 5633698956 + 5633698957.

It is an arithmetic number, because the mean of its divisors is an integer number (5633698957).

Almost surely, 2^11267397913 is an apocalyptic number.

It is an amenable number.

11267397913 is a deficient number, since it is larger than the sum of its proper divisors (1).

11267397913 is an equidigital number, since it uses as much as digits as its factorization.

11267397913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 49.

The spelling of 11267397913 in words is "eleven billion, two hundred sixty-seven million, three hundred ninety-seven thousand, nine hundred thirteen".