11538596226 has 16 divisors (see below), whose sum is σ = 23393319264. Its totient is φ = 3793510944.

The previous prime is 11538596213. The next prime is 11538596233. The reversal of 11538596226 is 62269583511.

It is a super-2 number, since 2×11538596226² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13171476 + ... + 13172351.

It is an arithmetic number, because the mean of its divisors is an integer number (1462082454).

Almost surely, 2^11538596226 is an apocalyptic number.

11538596226 is an abundant number, since it is smaller than the sum of its proper divisors (11854723038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11538596226 is a wasteful number, since it uses less digits than its factorization.

11538596226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26343905.

The product of its digits is 777600, while the sum is 48.

The spelling of 11538596226 in words is "eleven billion, five hundred thirty-eight million, five hundred ninety-six thousand, two hundred twenty-six".