11681552 has 20 divisors (see below), whose sum is σ = 23160720. Its totient is φ = 5704608.

The previous prime is 11681543. The next prime is 11681557. The reversal of 11681552 is 25518611.

It is not an unprimeable number, because it can be changed into a prime (11681557) by changing a digit.

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, 7802 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (1158036).

Almost surely, 2^11681552 is an apocalyptic number.

It is an amenable number.

11681552 is a deficient number, since it is larger than the sum of its proper divisors (11479168).

11681552 is a wasteful number, since it uses less digits than its factorization.

11681552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17030 (or 17024 counting only the distinct ones).

The product of its digits is 2400, while the sum is 29.

The square root of 11681552 is about 3417.8285504103. The cubic root of 11681552 is about 226.8994878035.

The spelling of 11681552 in words is "eleven million, six hundred eighty-one thousand, five hundred fifty-two".