11275530 has 32 divisors (see below), whose sum is σ = 30927744. Its totient is φ = 2577216.

The previous prime is 11275529. The next prime is 11275547. The reversal of 11275530 is 3557211.

It is a self number, because there is not a number n which added to its sum of digits gives 11275530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26637 + ... + 27056.

It is an arithmetic number, because the mean of its divisors is an integer number (966492).

Almost surely, 2^11275530 is an apocalyptic number.

11275530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11275530 is an abundant number, since it is smaller than the sum of its proper divisors (19652214).

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

11275530 is a wasteful number, since it uses less digits than its factorization.

11275530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53710.

The product of its (nonzero) digits is 1050, while the sum is 24.

The square root of 11275530 is about 3357.9055972436. The cubic root of 11275530 is about 224.2396059606.

The spelling of 11275530 in words is "eleven million, two hundred seventy-five thousand, five hundred thirty".