11415818196 has 72 divisors (see below), whose sum is σ = 29476268640. Its totient is φ = 3724140096.

The previous prime is 11415818191. The next prime is 11415818201. The reversal of 11415818196 is 69181851411.

It is a happy number.

11415818196 is a `hidden beast` number, since 11 + 41 + 581 + 8 + 19 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (11415818191) and next prime (11415818201).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11415818191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 470310 + ... + 493986.

It is an arithmetic number, because the mean of its divisors is an integer number (409392620).

Almost surely, 2^11415818196 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 11415818196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14738134320).

11415818196 is an abundant number, since it is smaller than the sum of its proper divisors (18060450444).

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

11415818196 is a wasteful number, since it uses less digits than its factorization.

11415818196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23973 (or 23968 counting only the distinct ones).

The product of its digits is 69120, while the sum is 45.

The spelling of 11415818196 in words is "eleven billion, four hundred fifteen million, eight hundred eighteen thousand, one hundred ninety-six".