11446644203 has 4 divisors (see below), whose sum is σ = 11448980880. Its totient is φ = 11444307528.

The previous prime is 11446644191. The next prime is 11446644227. The reversal of 11446644203 is 30244664411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30244664411 = 13 ⋅2326512647.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11446644203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11446644233) 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, 1160975 + ... + 1170792.

It is an arithmetic number, because the mean of its divisors is an integer number (2862245220).

Almost surely, 2^11446644203 is an apocalyptic number.

11446644203 is a deficient number, since it is larger than the sum of its proper divisors (2336677).

11446644203 is an equidigital number, since it uses as much as digits as its factorization.

11446644203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336676.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 11446644203 in words is "eleven billion, four hundred forty-six million, six hundred forty-four thousand, two hundred three".