11011002199997 has 2 divisors, whose sum is σ = 11011002199998. Its totient is φ = 11011002199996.

The previous prime is 11011002199987. The next prime is 11011002200069. The reversal of 11011002199997 is 79999120011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8112135008761 + 2898867191236 = 2848181^2 + 1702606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011002199997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011002199987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505501099998 + 5505501099999.

It is an arithmetic number, because the mean of its divisors is an integer number (5505501099999).

Almost surely, 2^{11011002199997} is an apocalyptic number.

It is an amenable number.

11011002199997 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011002199997 is an equidigital number, since it uses as much as digits as its factorization.

11011002199997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91854, while the sum is 50.

The spelling of 11011002199997 in words is "eleven trillion, eleven billion, two million, one hundred ninety-nine thousand, nine hundred ninety-seven".