11356804356 has 12 divisors (see below), whose sum is σ = 26499210192. Its totient is φ = 3785601448.

The previous prime is 11356804351. The next prime is 11356804367. The reversal of 11356804356 is 65340865311.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11356804351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473200170 + ... + 473200193.

It is an arithmetic number, because the mean of its divisors is an integer number (2208267516).

Almost surely, 2^11356804356 is an apocalyptic number.

It is an amenable number.

11356804356 is an abundant number, since it is smaller than the sum of its proper divisors (15142405836).

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

11356804356 is a wasteful number, since it uses less digits than its factorization.

11356804356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946400370 (or 946400368 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 11356804356 in words is "eleven billion, three hundred fifty-six million, eight hundred four thousand, three hundred fifty-six".