11913352985856 has 144 divisors (see below), whose sum is σ = 36568894947200. Its totient is φ = 3372587311104.

The previous prime is 11913352985839. The next prime is 11913352985867. The reversal of 11913352985856 is 65858925331911.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9579271 + ... + 10751238.

Almost surely, 2^{11913352985856} is an apocalyptic number.

11913352985856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11913352985856 is an abundant number, since it is smaller than the sum of its proper divisors (24655541961344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11913352985856 is a wasteful number, since it uses less digits than its factorization.

11913352985856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20330644 (or 20330630 counting only the distinct ones).

The product of its digits is 69984000, while the sum is 66.

The spelling of 11913352985856 in words is "eleven trillion, nine hundred thirteen billion, three hundred fifty-two million, nine hundred eighty-five thousand, eight hundred fifty-six".