11778274404 has 36 divisors (see below), whose sum is σ = 32063081596. Its totient is φ = 3624084288.

The previous prime is 11778274379. The next prime is 11778274423. The reversal of 11778274404 is 40447287711.

11778274404 is a `hidden beast` number, since 1 + 177 + 8 + 2 + 74 + 404 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5701760100 + 6076514304 = 75510^2 + 77952^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 11778274404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12583159 + ... + 12584094.

Almost surely, 2^11778274404 is an apocalyptic number.

It is an amenable number.

11778274404 is an abundant number, since it is smaller than the sum of its proper divisors (20284807192).

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

11778274404 is a wasteful number, since it uses less digits than its factorization.

11778274404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25167276 (or 25167271 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The spelling of 11778274404 in words is "eleven billion, seven hundred seventy-eight million, two hundred seventy-four thousand, four hundred four".