11321021324057 has 2 divisors, whose sum is σ = 11321021324058. Its totient is φ = 11321021324056.

The previous prime is 11321021323987. The next prime is 11321021324069. The reversal of 11321021324057 is 75042312012311.

11321021324057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8498181146896 + 2822840177161 = 2915164^2 + 1680131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11321021324057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11321021324957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660510662028 + 5660510662029.

It is an arithmetic number, because the mean of its divisors is an integer number (5660510662029).

Almost surely, 2^{11321021324057} is an apocalyptic number.

It is an amenable number.

11321021324057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321021324057 is an equidigital number, since it uses as much as digits as its factorization.

11321021324057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 11321021324057 its reverse (75042312012311), we get a palindrome (86363333336368).

The spelling of 11321021324057 in words is "eleven trillion, three hundred twenty-one billion, twenty-one million, three hundred twenty-four thousand, fifty-seven".