11000111001097 has 2 divisors, whose sum is σ = 11000111001098. Its totient is φ = 11000111001096.

The previous prime is 11000111001071. The next prime is 11000111001227. The reversal of 11000111001097 is 79010011100011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6993824533056 + 4006286468041 = 2644584^2 + 2001571^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000111001097 - 2²³ = 11000102612489 is a prime.

It is not a weakly prime, because it can be changed into another prime (11000111001007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500055500548 + 5500055500549.

It is an arithmetic number, because the mean of its divisors is an integer number (5500055500549).

Almost surely, 2^{11000111001097} is an apocalyptic number.

It is an amenable number.

11000111001097 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000111001097 is an equidigital number, since it uses as much as digits as its factorization.

11000111001097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 22.

The spelling of 11000111001097 in words is "eleven trillion, one hundred eleven million, one thousand, ninety-seven".