11211110993 has 2 divisors, whose sum is σ = 11211110994. Its totient is φ = 11211110992.

The previous prime is 11211110969. The next prime is 11211111017. The reversal of 11211110993 is 39901111211.

It is a balanced prime because it is at equal distance from previous prime (11211110969) and next prime (11211111017).

It can be written as a sum of positive squares in only one way, i.e., 11175026944 + 36084049 = 105712^2 + 6007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211110993 is a prime.

It is not a weakly prime, because it can be changed into another prime (11211110903) 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, 5605555496 + 5605555497.

It is an arithmetic number, because the mean of its divisors is an integer number (5605555497).

Almost surely, 2^11211110993 is an apocalyptic number.

It is an amenable number.

11211110993 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211110993 is an equidigital number, since it uses as much as digits as its factorization.

11211110993 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 11211110993 in words is "eleven billion, two hundred eleven million, one hundred ten thousand, nine hundred ninety-three".