11135927791 has 2 divisors, whose sum is σ = 11135927792. Its totient is φ = 11135927790.

The previous prime is 11135927771. The next prime is 11135927807. The reversal of 11135927791 is 19772953111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11135927791 - 2²⁹ = 10599056879 is a prime.

It is a super-2 number, since 2×11135927791² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11135927701) 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, 5567963895 + 5567963896.

It is an arithmetic number, because the mean of its divisors is an integer number (5567963896).

Almost surely, 2^11135927791 is an apocalyptic number.

11135927791 is a deficient number, since it is larger than the sum of its proper divisors (1).

11135927791 is an equidigital number, since it uses as much as digits as its factorization.

11135927791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 119070, while the sum is 46.

The spelling of 11135927791 in words is "eleven billion, one hundred thirty-five million, nine hundred twenty-seven thousand, seven hundred ninety-one".