11522255218 has 8 divisors (see below), whose sum is σ = 17310264048. Its totient is φ = 5752167204.

The previous prime is 11522255203. The next prime is 11522255219. The reversal of 11522255218 is 81255222511.

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 (11522255219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4478596 + ... + 4481167.

It is an arithmetic number, because the mean of its divisors is an integer number (2163783006).

Almost surely, 2^11522255218 is an apocalyptic number.

11522255218 is a deficient number, since it is larger than the sum of its proper divisors (5788008830).

11522255218 is an equidigital number, since it uses as much as digits as its factorization.

11522255218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8960408.

The product of its digits is 16000, while the sum is 34.

Adding to 11522255218 its reverse (81255222511), we get a palindrome (92777477729).

The spelling of 11522255218 in words is "eleven billion, five hundred twenty-two million, two hundred fifty-five thousand, two hundred eighteen".