11320323111 has 12 divisors (see below), whose sum is σ = 16353455040. Its totient is φ = 7546015680.

The previous prime is 11320323109. The next prime is 11320323143. The reversal of 11320323111 is 11132302311.

11320323111 is a `hidden beast` number, since 1 + 1 + 320 + 32 + 311 + 1 = 666.

It is not a de Polignac number, because 11320323111 - 2¹ = 11320323109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11320323611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16255 + ... + 151343.

It is an arithmetic number, because the mean of its divisors is an integer number (1362787920).

Almost surely, 2^11320323111 is an apocalyptic number.

11320323111 is a deficient number, since it is larger than the sum of its proper divisors (5033131929).

11320323111 is a wasteful number, since it uses less digits than its factorization.

11320323111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144406 (or 144403 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11320323111 its reverse (11132302311), we get a palindrome (22452625422).

The spelling of 11320323111 in words is "eleven billion, three hundred twenty million, three hundred twenty-three thousand, one hundred eleven".