11164012644444 has 48 divisors (see below), whose sum is σ = 28417703682816. Its totient is φ = 3383008307200.

The previous prime is 11164012644439. The next prime is 11164012644467. The reversal of 11164012644444 is 44444621046111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11164012644396 and 11164012644405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23879209 + ... + 24342239.

It is an arithmetic number, because the mean of its divisors is an integer number (592035493392).

Almost surely, 2^{11164012644444} is an apocalyptic number.

It is an amenable number.

11164012644444 is an abundant number, since it is smaller than the sum of its proper divisors (17253691038372).

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

11164012644444 is a wasteful number, since it uses less digits than its factorization.

11164012644444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645706 (or 645704 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 42.

The spelling of 11164012644444 in words is "eleven trillion, one hundred sixty-four billion, twelve million, six hundred forty-four thousand, four hundred forty-four".