11555132 has 12 divisors (see below), whose sum is σ = 20692056. Its totient is φ = 5643120.

The previous prime is 11555129. The next prime is 11555143. The reversal of 11555132 is 23155511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11555098 and 11555107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33419 + ... + 33762.

It is an arithmetic number, because the mean of its divisors is an integer number (1724338).

Almost surely, 2^11555132 is an apocalyptic number.

It is an amenable number.

11555132 is a deficient number, since it is larger than the sum of its proper divisors (9136924).

11555132 is a wasteful number, since it uses less digits than its factorization.

11555132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67228 (or 67226 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 11555132 is about 3399.2840422654. The cubic root of 11555132 is about 226.0780005907.

The spelling of 11555132 in words is "eleven million, five hundred fifty-five thousand, one hundred thirty-two".