11530545 has 32 divisors (see below), whose sum is σ = 20563200. Its totient is φ = 5478144.

The previous prime is 11530531. The next prime is 11530559. The reversal of 11530545 is 54503511.

It is an interprime number because it is at equal distance from previous prime (11530531) and next prime (11530559).

It is not a de Polignac number, because 11530545 - 2⁴ = 11530529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4636 + ... + 6674.

It is an arithmetic number, because the mean of its divisors is an integer number (642600).

Almost surely, 2^11530545 is an apocalyptic number.

11530545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11530545 is a deficient number, since it is larger than the sum of its proper divisors (9032655).

11530545 is a wasteful number, since it uses less digits than its factorization.

11530545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2089.

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 11530545 is about 3395.6656195803. The cubic root of 11530545 is about 225.9175372000.

The spelling of 11530545 in words is "eleven million, five hundred thirty thousand, five hundred forty-five".