11091117890833 has 2 divisors, whose sum is σ = 11091117890834. Its totient is φ = 11091117890832.

The previous prime is 11091117890807. The next prime is 11091117890903. The reversal of 11091117890833 is 33809871119011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11032840551184 + 58277339649 = 3321572^2 + 241407^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11091117890833 is a prime.

It is not a weakly prime, because it can be changed into another prime (11091117890533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545558945416 + 5545558945417.

It is an arithmetic number, because the mean of its divisors is an integer number (5545558945417).

Almost surely, 2^{11091117890833} is an apocalyptic number.

It is an amenable number.

11091117890833 is a deficient number, since it is larger than the sum of its proper divisors (1).

11091117890833 is an equidigital number, since it uses as much as digits as its factorization.

11091117890833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 326592, while the sum is 52.

The spelling of 11091117890833 in words is "eleven trillion, ninety-one billion, one hundred seventeen million, eight hundred ninety thousand, eight hundred thirty-three".