11522255205 has 32 divisors (see below), whose sum is σ = 19115078400. Its totient is φ = 5919685632.

The previous prime is 11522255203. The next prime is 11522255219. The reversal of 11522255205 is 50255222511.

It is not a de Polignac number, because 11522255205 - 2¹ = 11522255203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11522255203) 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 31 ways as a sum of consecutive naturals, for example, 160797 + ... + 221133.

It is an arithmetic number, because the mean of its divisors is an integer number (597346200).

Almost surely, 2^11522255205 is an apocalyptic number.

11522255205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11522255205 is a deficient number, since it is larger than the sum of its proper divisors (7592823195).

11522255205 is a wasteful number, since it uses less digits than its factorization.

11522255205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60813.

The product of its (nonzero) digits is 10000, while the sum is 30.

Adding to 11522255205 its reverse (50255222511), we get a palindrome (61777477716).

The spelling of 11522255205 in words is "eleven billion, five hundred twenty-two million, two hundred fifty-five thousand, two hundred five".