11523244311 has 6 divisors (see below), whose sum is σ = 16644686240. Its totient is φ = 7682162868.

The previous prime is 11523244231. The next prime is 11523244319. The reversal of 11523244311 is 11344232511.

11523244311 is a `hidden beast` number, since 115 + 232 + 4 + 4 + 311 = 666.

It is not a de Polignac number, because 11523244311 - 2⁹ = 11523243799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523244319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 640180231 + ... + 640180248.

Almost surely, 2^11523244311 is an apocalyptic number.

11523244311 is a deficient number, since it is larger than the sum of its proper divisors (5121441929).

11523244311 is a wasteful number, since it uses less digits than its factorization.

11523244311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280360485 (or 1280360482 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

Adding to 11523244311 its reverse (11344232511), we get a palindrome (22867476822).

The spelling of 11523244311 in words is "eleven billion, five hundred twenty-three million, two hundred forty-four thousand, three hundred eleven".