11011932791 has 2 divisors, whose sum is σ = 11011932792. Its totient is φ = 11011932790.

The previous prime is 11011932773. The next prime is 11011932793. The reversal of 11011932791 is 19723911011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011932791 is a prime.

It is a Sophie Germain prime.

Together with 11011932793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011932793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505966395 + 5505966396.

It is an arithmetic number, because the mean of its divisors is an integer number (5505966396).

Almost surely, 2^11011932791 is an apocalyptic number.

11011932791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011932791 is an equidigital number, since it uses as much as digits as its factorization.

11011932791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3402, while the sum is 35.

The spelling of 11011932791 in words is "eleven billion, eleven million, nine hundred thirty-two thousand, seven hundred ninety-one".