11446123644 has 18 divisors (see below), whose sum is σ = 28933257080. Its totient is φ = 3815374536.

The previous prime is 11446123643. The next prime is 11446123687. The reversal of 11446123644 is 44632164411.

11446123644 is a `hidden beast` number, since 1 + 1 + 4 + 4 + 6 + 1 + 2 + 3 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 317947879 = 11446123644 / (1 + 1 + 4 + 4 + 6 + 1 + 2 + 3 + 6 + 4 + 4).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 11446123599 and 11446123608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11446123643) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158973904 + ... + 158973975.

Almost surely, 2^11446123644 is an apocalyptic number.

It is an amenable number.

11446123644 is an abundant number, since it is smaller than the sum of its proper divisors (17487133436).

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

11446123644 is a wasteful number, since it uses less digits than its factorization.

11446123644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317947889 (or 317947884 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The spelling of 11446123644 in words is "eleven billion, four hundred forty-six million, one hundred twenty-three thousand, six hundred forty-four".