11321133506 has 8 divisors (see below), whose sum is σ = 17567276220. Its totient is φ = 5465374768.

The previous prime is 11321133479. The next prime is 11321133547. The reversal of 11321133506 is 60533112311.

It can be written as a sum of positive squares in 2 ways, for example, as 11070196225 + 250937281 = 105215^2 + 15841^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97595921 + ... + 97596036.

Almost surely, 2^11321133506 is an apocalyptic number.

11321133506 is a deficient number, since it is larger than the sum of its proper divisors (6246142714).

11321133506 is a wasteful number, since it uses less digits than its factorization.

11321133506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195191988.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 11321133506 its reverse (60533112311), we get a palindrome (71854245817).

The spelling of 11321133506 in words is "eleven billion, three hundred twenty-one million, one hundred thirty-three thousand, five hundred six".