11118997933 has 2 divisors, whose sum is σ = 11118997934. Its totient is φ = 11118997932.

The previous prime is 11118997927. The next prime is 11118997963. The reversal of 11118997933 is 33979981111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10531274884 + 587723049 = 102622^2 + 24243^2 .

It is an emirp because it is prime and its reverse (33979981111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11118997933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11118997963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559498966 + 5559498967.

It is an arithmetic number, because the mean of its divisors is an integer number (5559498967).

Almost surely, 2^11118997933 is an apocalyptic number.

It is an amenable number.

11118997933 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118997933 is an equidigital number, since it uses as much as digits as its factorization.

11118997933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 52.

The spelling of 11118997933 in words is "eleven billion, one hundred eighteen million, nine hundred ninety-seven thousand, nine hundred thirty-three".