11322631457 has 2 divisors, whose sum is σ = 11322631458. Its totient is φ = 11322631456.

The previous prime is 11322631451. The next prime is 11322631459. The reversal of 11322631457 is 75413622311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9959840401 + 1362791056 = 99799^2 + 36916^2 .

It is a cyclic number.

It is not a de Polignac number, because 11322631457 - 2¹² = 11322627361 is a prime.

It is a super-2 number, since 2×11322631457² (a number of 21 digits) contains 22 as substring.

Together with 11322631459, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11322631451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661315728 + 5661315729.

It is an arithmetic number, because the mean of its divisors is an integer number (5661315729).

Almost surely, 2^11322631457 is an apocalyptic number.

It is an amenable number.

11322631457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11322631457 is an equidigital number, since it uses as much as digits as its factorization.

11322631457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The spelling of 11322631457 in words is "eleven billion, three hundred twenty-two million, six hundred thirty-one thousand, four hundred fifty-seven".