11203641144 has 64 divisors (see below), whose sum is σ = 31962362400. Its totient is φ = 3633610752.

The previous prime is 11203641143. The next prime is 11203641151. The reversal of 11203641144 is 44114630211.

11203641144 is a `hidden beast` number, since 1 + 1 + 2 + 0 + 3 + 641 + 14 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11203641143) 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, 692937 + ... + 708920.

Almost surely, 2^11203641144 is an apocalyptic number.

It is an amenable number.

11203641144 is an abundant number, since it is smaller than the sum of its proper divisors (20758721256).

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

11203641144 is a wasteful number, since it uses less digits than its factorization.

11203641144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401909 (or 1401899 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 11203641144 in words is "eleven billion, two hundred three million, six hundred forty-one thousand, one hundred forty-four".