11101109797 has 2 divisors, whose sum is σ = 11101109798. Its totient is φ = 11101109796.

The previous prime is 11101109713. The next prime is 11101109821. The reversal of 11101109797 is 79790110111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10484531236 + 616578561 = 102394^2 + 24831^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101109797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101149797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550554898 + 5550554899.

It is an arithmetic number, because the mean of its divisors is an integer number (5550554899).

Almost surely, 2^11101109797 is an apocalyptic number.

It is an amenable number.

11101109797 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101109797 is an equidigital number, since it uses as much as digits as its factorization.

11101109797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 37.

The spelling of 11101109797 in words is "eleven billion, one hundred one million, one hundred nine thousand, seven hundred ninety-seven".