1133113391 has 2 divisors, whose sum is σ = 1133113392. Its totient is φ = 1133113390.

The previous prime is 1133113367. The next prime is 1133113411. The reversal of 1133113391 is 1933113311.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1133113391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1133113391.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1133113591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 566556695 + 566556696.

It is an arithmetic number, because the mean of its divisors is an integer number (566556696).

Almost surely, 2^1133113391 is an apocalyptic number.

1133113391 is a deficient number, since it is larger than the sum of its proper divisors (1).

1133113391 is an equidigital number, since it uses as much as digits as its factorization.

1133113391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 729, while the sum is 26.

The square root of 1133113391 is about 33661.7496722912. The cubic root of 1133113391 is about 1042.5361521928.

The spelling of 1133113391 in words is "one billion, one hundred thirty-three million, one hundred thirteen thousand, three hundred ninety-one".