11553132 has 24 divisors (see below), whose sum is σ = 28543536. Its totient is φ = 3624448.

The previous prime is 11553127. The next prime is 11553133. The reversal of 11553132 is 23135511.

It is a junction number, because it is equal to n+sod(n) for n = 11553099 and 11553108.

It is not an unprimeable number, because it can be changed into a prime (11553133) 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, 28113 + ... + 28520.

It is an arithmetic number, because the mean of its divisors is an integer number (1189314).

Almost surely, 2^11553132 is an apocalyptic number.

11553132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11553132 is an abundant number, since it is smaller than the sum of its proper divisors (16990404).

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

11553132 is a wasteful number, since it uses less digits than its factorization.

11553132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56657 (or 56655 counting only the distinct ones).

The product of its digits is 450, while the sum is 21.

The square root of 11553132 is about 3398.9898499407. The cubic root of 11553132 is about 226.0649563984.

Adding to 11553132 its reverse (23135511), we get a palindrome (34688643).

The spelling of 11553132 in words is "eleven million, five hundred fifty-three thousand, one hundred thirty-two".