11011090918291 has 2 divisors, whose sum is σ = 11011090918292. Its totient is φ = 11011090918290.

The previous prime is 11011090918271. The next prime is 11011090918309. The reversal of 11011090918291 is 19281909011011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011090918291 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011090918271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505545459145 + 5505545459146.

It is an arithmetic number, because the mean of its divisors is an integer number (5505545459146).

Almost surely, 2^{11011090918291} is an apocalyptic number.

11011090918291 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011090918291 is an equidigital number, since it uses as much as digits as its factorization.

11011090918291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 43.

The spelling of 11011090918291 in words is "eleven trillion, eleven billion, ninety million, nine hundred eighteen thousand, two hundred ninety-one".