11091117890903 has 2 divisors, whose sum is σ = 11091117890904. Its totient is φ = 11091117890902.

The previous prime is 11091117890833. The next prime is 11091117890959. The reversal of 11091117890903 is 30909871119011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11091117890903 - 2²⁶ = 11091050782039 is a prime.

It is a super-2 number, since 2×11091117890903² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11091117899903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5545558945451 + 5545558945452.

It is an arithmetic number, because the mean of its divisors is an integer number (5545558945452).

Almost surely, 2^{11091117890903} is an apocalyptic number.

11091117890903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11091117890903 is an equidigital number, since it uses as much as digits as its factorization.

11091117890903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 50.

The spelling of 11091117890903 in words is "eleven trillion, ninety-one billion, one hundred seventeen million, eight hundred ninety thousand, nine hundred three".