11783444450 has 12 divisors (see below), whose sum is σ = 21917206770. Its totient is φ = 4713377760.

The previous prime is 11783444417. The next prime is 11783444471. The reversal of 11783444450 is 5444438711.

It can be written as a sum of positive squares in 3 ways, for example, as 11236212001 + 547232449 = 106001^2 + 23393^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11783444398 and 11783444407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 117834395 + ... + 117834494.

Almost surely, 2^11783444450 is an apocalyptic number.

11783444450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11783444450 is a deficient number, since it is larger than the sum of its proper divisors (10133762320).

11783444450 is a wasteful number, since it uses less digits than its factorization.

11783444450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235668901 (or 235668896 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 41.

The spelling of 11783444450 in words is "eleven billion, seven hundred eighty-three million, four hundred forty-four thousand, four hundred fifty".