11382607921 has 2 divisors, whose sum is σ = 11382607922. Its totient is φ = 11382607920.

The previous prime is 11382607897. The next prime is 11382607933. The reversal of 11382607921 is 12970628311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11349706225 + 32901696 = 106535^2 + 5736^2 .

It is a cyclic number.

It is not a de Polignac number, because 11382607921 - 2⁵ = 11382607889 is a prime.

It is not a weakly prime, because it can be changed into another prime (11382607021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5691303960 + 5691303961.

It is an arithmetic number, because the mean of its divisors is an integer number (5691303961).

Almost surely, 2^11382607921 is an apocalyptic number.

It is an amenable number.

11382607921 is a deficient number, since it is larger than the sum of its proper divisors (1).

11382607921 is an equidigital number, since it uses as much as digits as its factorization.

11382607921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 40.

The spelling of 11382607921 in words is "eleven billion, three hundred eighty-two million, six hundred seven thousand, nine hundred twenty-one".