11326322556 has 48 divisors (see below), whose sum is σ = 31091870880. Its totient is φ = 3553355520.

The previous prime is 11326322551. The next prime is 11326322587. The reversal of 11326322556 is 65522362311.

11326322556 is a `hidden beast` number, since 1 + 1 + 326 + 322 + 5 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 11326322556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11326322551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3082675 + ... + 3086346.

It is an arithmetic number, because the mean of its divisors is an integer number (647747310).

Almost surely, 2^11326322556 is an apocalyptic number.

It is an amenable number.

11326322556 is an abundant number, since it is smaller than the sum of its proper divisors (19765548324).

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

11326322556 is a wasteful number, since it uses less digits than its factorization.

11326322556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169051 (or 6169043 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

Adding to 11326322556 its reverse (65522362311), we get a palindrome (76848684867).

The spelling of 11326322556 in words is "eleven billion, three hundred twenty-six million, three hundred twenty-two thousand, five hundred fifty-six".