11231322232057 has 2 divisors, whose sum is σ = 11231322232058. Its totient is φ = 11231322232056.

The previous prime is 11231322232049. The next prime is 11231322232061. The reversal of 11231322232057 is 75023222313211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9386006468281 + 1845315763776 = 3063659^2 + 1358424^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231322232057 - 2³ = 11231322232049 is a prime.

It is a super-2 number, since 2×11231322232057² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11231322232957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615661116028 + 5615661116029.

It is an arithmetic number, because the mean of its divisors is an integer number (5615661116029).

Almost surely, 2^{11231322232057} is an apocalyptic number.

It is an amenable number.

11231322232057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231322232057 is an equidigital number, since it uses as much as digits as its factorization.

11231322232057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 34.

Adding to 11231322232057 its reverse (75023222313211), we get a palindrome (86254544545268).

The spelling of 11231322232057 in words is "eleven trillion, two hundred thirty-one billion, three hundred twenty-two million, two hundred thirty-two thousand, fifty-seven".