11331832644 has 36 divisors (see below), whose sum is σ = 31248388080. Its totient is φ = 3433888560.

The previous prime is 11331832619. The next prime is 11331832661. The reversal of 11331832644 is 44623813311.

11331832644 is a `hidden beast` number, since 1 + 1 + 3 + 3 + 1 + 8 + 3 + 2 + 644 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11331832599 and 11331832608.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14307474 + ... + 14308265.

It is an arithmetic number, because the mean of its divisors is an integer number (868010780).

Almost surely, 2^11331832644 is an apocalyptic number.

It is an amenable number.

11331832644 is an abundant number, since it is smaller than the sum of its proper divisors (19916555436).

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

11331832644 is a wasteful number, since it uses less digits than its factorization.

11331832644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28615760 (or 28615755 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The spelling of 11331832644 in words is "eleven billion, three hundred thirty-one million, eight hundred thirty-two thousand, six hundred forty-four".