11116813973 has 2 divisors, whose sum is σ = 11116813974. Its totient is φ = 11116813972.

The previous prime is 11116813963. The next prime is 11116814099. The reversal of 11116813973 is 37931861111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10877864209 + 238949764 = 104297^2 + 15458^2 .

It is an emirp because it is prime and its reverse (37931861111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11116813973 - 2⁴ = 11116813957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11116813973.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11116813943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558406986 + 5558406987.

It is an arithmetic number, because the mean of its divisors is an integer number (5558406987).

Almost surely, 2^11116813973 is an apocalyptic number.

It is an amenable number.

11116813973 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116813973 is an equidigital number, since it uses as much as digits as its factorization.

11116813973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 41.

The spelling of 11116813973 in words is "eleven billion, one hundred sixteen million, eight hundred thirteen thousand, nine hundred seventy-three".