11111964 has 12 divisors (see below), whose sum is σ = 25927944. Its totient is φ = 3703984.

The previous prime is 11111953. The next prime is 11111977. The reversal of 11111964 is 46911111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462987 + ... + 463010.

It is an arithmetic number, because the mean of its divisors is an integer number (2160662).

Almost surely, 2^11111964 is an apocalyptic number.

It is an amenable number.

11111964 is an abundant number, since it is smaller than the sum of its proper divisors (14815980).

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

11111964 is a wasteful number, since it uses less digits than its factorization.

11111964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926004 (or 926002 counting only the distinct ones).

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

The square root of 11111964 is about 3333.4612642117. The cubic root of 11111964 is about 223.1500260672.

The spelling of 11111964 in words is "eleven million, one hundred eleven thousand, nine hundred sixty-four".