11539112 has 32 divisors (see below), whose sum is σ = 23467080. Its totient is φ = 5287680.

The previous prime is 11539069. The next prime is 11539127. The reversal of 11539112 is 21193511.

It can be written as a sum of positive squares in 4 ways, for example, as 872356 + 10666756 = 934^2 + 3266^2 .

It is a super-2 number, since 2×11539112² = 266302211497088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18518 + ... + 19130.

Almost surely, 2^11539112 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 11539112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11733540).

11539112 is an abundant number, since it is smaller than the sum of its proper divisors (11927968).

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

11539112 is a wasteful number, since it uses less digits than its factorization.

11539112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813 (or 809 counting only the distinct ones).

The product of its digits is 270, while the sum is 23.

The square root of 11539112 is about 3396.9268464305. The cubic root of 11539112 is about 225.9734743191.

The spelling of 11539112 in words is "eleven million, five hundred thirty-nine thousand, one hundred twelve".