11157193933 has 2 divisors, whose sum is σ = 11157193934. Its totient is φ = 11157193932.

The previous prime is 11157193829. The next prime is 11157193981. The reversal of 11157193933 is 33939175111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10986813124 + 170380809 = 104818^2 + 13053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11157193933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11157193933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11157193133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578596966 + 5578596967.

It is an arithmetic number, because the mean of its divisors is an integer number (5578596967).

Almost surely, 2^11157193933 is an apocalyptic number.

It is an amenable number.

11157193933 is a deficient number, since it is larger than the sum of its proper divisors (1).

11157193933 is an equidigital number, since it uses as much as digits as its factorization.

11157193933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76545, while the sum is 43.

The spelling of 11157193933 in words is "eleven billion, one hundred fifty-seven million, one hundred ninety-three thousand, nine hundred thirty-three".