11223132131177 has 2 divisors, whose sum is σ = 11223132131178. Its totient is φ = 11223132131176.

The previous prime is 11223132131117. The next prime is 11223132131207. The reversal of 11223132131177 is 77113123132211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9607142012521 + 1615990118656 = 3099539^2 + 1271216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11223132131177 is a prime.

It is not a weakly prime, because it can be changed into another prime (11223132131117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611566065588 + 5611566065589.

It is an arithmetic number, because the mean of its divisors is an integer number (5611566065589).

Almost surely, 2^{11223132131177} is an apocalyptic number.

It is an amenable number.

11223132131177 is a deficient number, since it is larger than the sum of its proper divisors (1).

11223132131177 is an equidigital number, since it uses as much as digits as its factorization.

11223132131177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

Adding to 11223132131177 its reverse (77113123132211), we get a palindrome (88336255263388).

The spelling of 11223132131177 in words is "eleven trillion, two hundred twenty-three billion, one hundred thirty-two million, one hundred thirty-one thousand, one hundred seventy-seven".