11835904856 has 8 divisors (see below), whose sum is σ = 22192321620. Its totient is φ = 5917952424.

The previous prime is 11835904823. The next prime is 11835904867. The reversal of 11835904856 is 65840953811.

It is a tau number, because it is divible by the number of its divisors (8).

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, 739744046 + ... + 739744061.

Almost surely, 2^11835904856 is an apocalyptic number.

It is an amenable number.

11835904856 is a deficient number, since it is larger than the sum of its proper divisors (10356416764).

11835904856 is a wasteful number, since it uses less digits than its factorization.

11835904856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479488113 (or 1479488109 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 11835904856 in words is "eleven billion, eight hundred thirty-five million, nine hundred four thousand, eight hundred fifty-six".