11331506 has 12 divisors (see below), whose sum is σ = 17332602. Its totient is φ = 5556096.

The previous prime is 11331499. The next prime is 11331511. The reversal of 11331506 is 60513311.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 11323225 + 8281 = 3365^2 + 91^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4610 + ... + 6626.

Almost surely, 2^11331506 is an apocalyptic number.

11331506 is a deficient number, since it is larger than the sum of its proper divisors (6001096).

11331506 is an equidigital number, since it uses as much as digits as its factorization.

11331506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2125 (or 2072 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 11331506 is about 3366.2302357385. The cubic root of 11331506 is about 224.6100637059.

Adding to 11331506 its reverse (60513311), we get a palindrome (71844817).

The spelling of 11331506 in words is "eleven million, three hundred thirty-one thousand, five hundred six".