11894371612 has 6 divisors (see below), whose sum is σ = 20815150328. Its totient is φ = 5947185804.

The previous prime is 11894371579. The next prime is 11894371633. The reversal of 11894371612 is 21617349811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486796448 + ... + 1486796455.

Almost surely, 2^11894371612 is an apocalyptic number.

It is an amenable number.

11894371612 is a deficient number, since it is larger than the sum of its proper divisors (8920778716).

11894371612 is a wasteful number, since it uses less digits than its factorization.

11894371612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973592907 (or 2973592905 counting only the distinct ones).

The product of its digits is 72576, while the sum is 43.

The spelling of 11894371612 in words is "eleven billion, eight hundred ninety-four million, three hundred seventy-one thousand, six hundred twelve".