11785481 has 4 divisors (see below), whose sum is σ = 11797632. Its totient is φ = 11773332.

The previous prime is 11785463. The next prime is 11785493. The reversal of 11785481 is 18458711.

11785481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11785481 is a prime.

It is a super-2 number, since 2×11785481² = 277795124802722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11785441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4481 + ... + 6606.

It is an arithmetic number, because the mean of its divisors is an integer number (2949408).

Almost surely, 2^11785481 is an apocalyptic number.

It is an amenable number.

11785481 is a deficient number, since it is larger than the sum of its proper divisors (12151).

11785481 is a wasteful number, since it uses less digits than its factorization.

11785481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12150.

The product of its digits is 8960, while the sum is 35.

The square root of 11785481 is about 3432.9988348381. The cubic root of 11785481 is about 227.5703988548.

The spelling of 11785481 in words is "eleven million, seven hundred eighty-five thousand, four hundred eighty-one".