11320126231 has 2 divisors, whose sum is σ = 11320126232. Its totient is φ = 11320126230.

The previous prime is 11320126217. The next prime is 11320126247. The reversal of 11320126231 is 13262102311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11320126231 - 2¹³ = 11320118039 is a prime.

It is a super-2 number, since 2×11320126231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11320126931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660063115 + 5660063116.

It is an arithmetic number, because the mean of its divisors is an integer number (5660063116).

Almost surely, 2^11320126231 is an apocalyptic number.

11320126231 is a deficient number, since it is larger than the sum of its proper divisors (1).

11320126231 is an equidigital number, since it uses as much as digits as its factorization.

11320126231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11320126231 its reverse (13262102311), we get a palindrome (24582228542).

The spelling of 11320126231 in words is "eleven billion, three hundred twenty million, one hundred twenty-six thousand, two hundred thirty-one".