11123232111 has 96 divisors (see below), whose sum is σ = 17780705280. Its totient is φ = 6676992000.

The previous prime is 11123232067. The next prime is 11123232119.

11123232111 is a `hidden beast` number, since 111 + 232 + 321 + 1 + 1 = 666.

11123232111 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 11123232111 - 2¹³ = 11123223919 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11123232119) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 57633231 + ... + 57633423.

It is an arithmetic number, because the mean of its divisors is an integer number (185215680).

Almost surely, 2^11123232111 is an apocalyptic number.

11123232111 is a deficient number, since it is larger than the sum of its proper divisors (6657473169).

11123232111 is a wasteful number, since it uses less digits than its factorization.

11123232111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437 (or 434 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The spelling of 11123232111 in words is "eleven billion, one hundred twenty-three million, two hundred thirty-two thousand, one hundred eleven".