11911146 has 32 divisors (see below), whose sum is σ = 25992960. Its totient is φ = 3616704.

The previous prime is 11911127. The next prime is 11911177. The reversal of 11911146 is 64111911.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 5196 + ... + 7128.

It is an arithmetic number, because the mean of its divisors is an integer number (812280).

Almost surely, 2^11911146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11911146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12996480).

11911146 is an abundant number, since it is smaller than the sum of its proper divisors (14081814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11911146 is a wasteful number, since it uses less digits than its factorization.

11911146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2030.

The product of its digits is 216, while the sum is 24.

The square root of 11911146 is about 3451.2528160075. The cubic root of 11911146 is about 228.3763789530.

The spelling of 11911146 in words is "eleven million, nine hundred eleven thousand, one hundred forty-six".