11231023249 has 2 divisors, whose sum is σ = 11231023250. Its totient is φ = 11231023248.

The previous prime is 11231023217. The next prime is 11231023273. The reversal of 11231023249 is 94232013211.

It is a happy number.

11231023249 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., 11230700625 + 322624 = 105975^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 11231023249 - 2⁵ = 11231023217 is a prime.

It is a super-2 number, since 2×11231023249² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11231023649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615511624 + 5615511625.

It is an arithmetic number, because the mean of its divisors is an integer number (5615511625).

Almost surely, 2^11231023249 is an apocalyptic number.

It is an amenable number.

11231023249 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231023249 is an equidigital number, since it uses as much as digits as its factorization.

11231023249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 11231023249 in words is "eleven billion, two hundred thirty-one million, twenty-three thousand, two hundred forty-nine".