11585939044 has 9 divisors (see below), whose sum is σ = 20275770067. Its totient is φ = 5792861884.

The previous prime is 11585939011. The next prime is 11585939051. The reversal of 11585939044 is 44093958511.

It is a happy number.

The square root of 11585939044 is 107638.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 188367 + ... + 242185.

Almost surely, 2^11585939044 is an apocalyptic number.

11585939044 is the 107638-th square number.

It is an amenable number.

11585939044 is a deficient number, since it is larger than the sum of its proper divisors (8689831023).

11585939044 is an frugal number, since it uses more digits than its factorization.

11585939044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107642 (or 53821 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

Multiplying 11585939044 by its sum of digits (49), we get a square (567711013156 = 753466²).

The spelling of 11585939044 in words is "eleven billion, five hundred eighty-five million, nine hundred thirty-nine thousand, forty-four".