11310792721 has 2 divisors, whose sum is σ = 11310792722. Its totient is φ = 11310792720.

The previous prime is 11310792719. The next prime is 11310792749. The reversal of 11310792721 is 12729701311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10245488400 + 1065304321 = 101220^2 + 32639^2 .

It is an emirp because it is prime and its reverse (12729701311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11310792721 - 2¹ = 11310792719 is a prime.

Together with 11310792719, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11310792761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655396360 + 5655396361.

It is an arithmetic number, because the mean of its divisors is an integer number (5655396361).

Almost surely, 2^11310792721 is an apocalyptic number.

It is an amenable number.

11310792721 is a deficient number, since it is larger than the sum of its proper divisors (1).

11310792721 is an equidigital number, since it uses as much as digits as its factorization.

11310792721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 34.

The spelling of 11310792721 in words is "eleven billion, three hundred ten million, seven hundred ninety-two thousand, seven hundred twenty-one".