11691152 has 40 divisors (see below), whose sum is σ = 24915072. Its totient is φ = 5270400.

The previous prime is 11691143. The next prime is 11691157. The reversal of 11691152 is 25119611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11691157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31673 + ... + 32039.

Almost surely, 2^11691152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11691152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12457536).

11691152 is an abundant number, since it is smaller than the sum of its proper divisors (13223920).

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

11691152 is a wasteful number, since it uses less digits than its factorization.

11691152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567 (or 561 counting only the distinct ones).

The product of its digits is 540, while the sum is 26.

The square root of 11691152 is about 3419.2326624551. The cubic root of 11691152 is about 226.9616267686.

The spelling of 11691152 in words is "eleven million, six hundred ninety-one thousand, one hundred fifty-two".