9111232013 has 16 divisors (see below), whose sum is σ = 10388273280. Its totient is φ = 7921623744.

The previous prime is 9111232001. The next prime is 9111232021. The reversal of 9111232013 is 3102321119.

It is a cyclic number.

It is not a de Polignac number, because 9111232013 - 2⁶ = 9111231949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9111232013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9111232033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63881 + ... + 149342.

It is an arithmetic number, because the mean of its divisors is an integer number (649267080).

Almost surely, 2^9111232013 is an apocalyptic number.

It is an amenable number.

9111232013 is a deficient number, since it is larger than the sum of its proper divisors (1277041267).

9111232013 is a wasteful number, since it uses less digits than its factorization.

9111232013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213428.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 9111232013 is about 95452.7737313065. The cubic root of 9111232013 is about 2088.6180903964.

The spelling of 9111232013 in words is "nine billion, one hundred eleven million, two hundred thirty-two thousand, thirteen".