11195780936 has 16 divisors (see below), whose sum is σ = 21305405040. Its totient is φ = 5514339600.

The previous prime is 11195780887. The next prime is 11195780963. The reversal of 11195780936 is 63908759111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10443290 + ... + 10444361.

It is an arithmetic number, because the mean of its divisors is an integer number (1331587815).

Almost surely, 2^11195780936 is an apocalyptic number.

It is an amenable number.

11195780936 is a deficient number, since it is larger than the sum of its proper divisors (10109624104).

11195780936 is a wasteful number, since it uses less digits than its factorization.

11195780936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20887724 (or 20887720 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 11195780936 in words is "eleven billion, one hundred ninety-five million, seven hundred eighty thousand, nine hundred thirty-six".