11149530 has 32 divisors (see below), whose sum is σ = 30582144. Its totient is φ = 2548416.

The previous prime is 11149517. The next prime is 11149531. The reversal of 11149530 is 3594111.

It is a self number, because there is not a number n which added to its sum of digits gives 11149530.

It is not an unprimeable number, because it can be changed into a prime (11149531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26337 + ... + 26756.

It is an arithmetic number, because the mean of its divisors is an integer number (955692).

Almost surely, 2^11149530 is an apocalyptic number.

11149530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11149530 is an abundant number, since it is smaller than the sum of its proper divisors (19432614).

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

11149530 is a wasteful number, since it uses less digits than its factorization.

11149530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53110.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 11149530 is about 3339.0911937232. The cubic root of 11149530 is about 223.4012095363.

The spelling of 11149530 in words is "eleven million, one hundred forty-nine thousand, five hundred thirty".