11111102993 has 2 divisors, whose sum is σ = 11111102994. Its totient is φ = 11111102992.

The previous prime is 11111102971. The next prime is 11111103019. The reversal of 11111102993 is 39920111111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10280337664 + 830765329 = 101392^2 + 28823^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111102993 - 2¹² = 11111098897 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111102693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555551496 + 5555551497.

It is an arithmetic number, because the mean of its divisors is an integer number (5555551497).

Almost surely, 2^11111102993 is an apocalyptic number.

It is an amenable number.

11111102993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111102993 is an equidigital number, since it uses as much as digits as its factorization.

11111102993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 29.

The spelling of 11111102993 in words is "eleven billion, one hundred eleven million, one hundred two thousand, nine hundred ninety-three".