11784220473 has 16 divisors (see below), whose sum is σ = 15882714176. Its totient is φ = 7771023360.

The previous prime is 11784220457. The next prime is 11784220501. The reversal of 11784220473 is 37402248711.

It is not a de Polignac number, because 11784220473 - 2⁴ = 11784220457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11784220403) 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, 596433 + ... + 615873.

It is an arithmetic number, because the mean of its divisors is an integer number (992669636).

Almost surely, 2^11784220473 is an apocalyptic number.

It is an amenable number.

11784220473 is a deficient number, since it is larger than the sum of its proper divisors (4098493703).

11784220473 is a wasteful number, since it uses less digits than its factorization.

11784220473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21624.

The product of its (nonzero) digits is 75264, while the sum is 39.

The spelling of 11784220473 in words is "eleven billion, seven hundred eighty-four million, two hundred twenty thousand, four hundred seventy-three".