11019784474 has 4 divisors (see below), whose sum is σ = 16529676714. Its totient is φ = 5509892236.

The previous prime is 11019784343. The next prime is 11019784487. The reversal of 11019784474 is 47448791011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47448791011 = 3851 ⋅12321161.

It can be written as a sum of positive squares in only one way, i.e., 7518103849 + 3501680625 = 86707^2 + 59175^2 .

It is a super-2 number, since 2×11019784474² (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 as a sum of consecutive naturals, namely, 2754946117 + ... + 2754946120.

Almost surely, 2^11019784474 is an apocalyptic number.

11019784474 is a deficient number, since it is larger than the sum of its proper divisors (5509892240).

11019784474 is an equidigital number, since it uses as much as digits as its factorization.

11019784474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509892239.

The product of its (nonzero) digits is 225792, while the sum is 46.

The spelling of 11019784474 in words is "eleven billion, nineteen million, seven hundred eighty-four thousand, four hundred seventy-four".