11855774196 has 96 divisors (see below), whose sum is σ = 35456762880. Its totient is φ = 3355683552.

The previous prime is 11855774159. The next prime is 11855774201. The reversal of 11855774196 is 69147755811.

11855774196 is a `hidden beast` number, since 1 + 1 + 8 + 557 + 74 + 19 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7611 + ... + 154173.

It is an arithmetic number, because the mean of its divisors is an integer number (369341280).

Almost surely, 2^11855774196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11855774196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17728381440).

11855774196 is an abundant number, since it is smaller than the sum of its proper divisors (23600988684).

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

11855774196 is a wasteful number, since it uses less digits than its factorization.

11855774196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146690 (or 146682 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 54.

The spelling of 11855774196 in words is "eleven billion, eight hundred fifty-five million, seven hundred seventy-four thousand, one hundred ninety-six".