11822013506 has 8 divisors (see below), whose sum is σ = 17788961340. Its totient is φ = 5892359728.

The previous prime is 11822013487. The next prime is 11822013509. The reversal of 11822013506 is 60531022811.

It can be written as a sum of positive squares in 2 ways, for example, as 9339482881 + 2482530625 = 96641^2 + 49825^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11822013509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9322721 + ... + 9323988.

Almost surely, 2^11822013506 is an apocalyptic number.

11822013506 is a deficient number, since it is larger than the sum of its proper divisors (5966947834).

11822013506 is a wasteful number, since it uses less digits than its factorization.

11822013506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18647028.

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 11822013506 in words is "eleven billion, eight hundred twenty-two million, thirteen thousand, five hundred six".