11545506 has 24 divisors (see below), whose sum is σ = 28589184. Its totient is φ = 3298680.

The previous prime is 11545489. The next prime is 11545511. The reversal of 11545506 is 60554511.

It is a happy number.

11545506 is a `hidden beast` number, since 1 + 154 + 5 + 506 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 11545506.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45690 + ... + 45941.

It is an arithmetic number, because the mean of its divisors is an integer number (1191216).

Almost surely, 2^11545506 is an apocalyptic number.

11545506 is an abundant number, since it is smaller than the sum of its proper divisors (17043678).

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

11545506 is a wasteful number, since it uses less digits than its factorization.

11545506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91646 (or 91643 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 11545506 is about 3397.8678608798. The cubic root of 11545506 is about 226.0152050751.

The spelling of 11545506 in words is "eleven million, five hundred forty-five thousand, five hundred six".