11012000001091 has 2 divisors, whose sum is σ = 11012000001092. Its totient is φ = 11012000001090.

The previous prime is 11012000001049. The next prime is 11012000001239. The reversal of 11012000001091 is 19010000021011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11012000001091 is a prime.

It is not a weakly prime, because it can be changed into another prime (11012000001491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506000000545 + 5506000000546.

It is an arithmetic number, because the mean of its divisors is an integer number (5506000000546).

Almost surely, 2^{11012000001091} is an apocalyptic number.

11012000001091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012000001091 is an equidigital number, since it uses as much as digits as its factorization.

11012000001091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The spelling of 11012000001091 in words is "eleven trillion, twelve billion, one thousand, ninety-one".