11771044036 has 12 divisors (see below), whose sum is σ = 20629142800. Its totient is φ = 5877003240.

The previous prime is 11771044013. The next prime is 11771044037. The reversal of 11771044036 is 63044017711.

It is a junction number, because it is equal to n+sod(n) for n = 11771043992 and 11771044010.

It is not an unprimeable number, because it can be changed into a prime (11771044037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2126586 + ... + 2132113.

Almost surely, 2^11771044036 is an apocalyptic number.

It is an amenable number.

11771044036 is a deficient number, since it is larger than the sum of its proper divisors (8858098764).

11771044036 is a wasteful number, since it uses less digits than its factorization.

11771044036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4259394 (or 4259392 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 11771044036 in words is "eleven billion, seven hundred seventy-one million, forty-four thousand, thirty-six".