11956180698 has 96 divisors (see below), whose sum is σ = 32403571200. Its totient is φ = 3095275680.

The previous prime is 11956180667. The next prime is 11956180741. The reversal of 11956180698 is 89608165911.

11956180698 is a `hidden beast` number, since 1 + 19 + 5 + 618 + 0 + 6 + 9 + 8 = 666.

11956180698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 411453 + ... + 439551.

It is an arithmetic number, because the mean of its divisors is an integer number (337537200).

Almost surely, 2^11956180698 is an apocalyptic number.

11956180698 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11956180698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16201785600).

11956180698 is an abundant number, since it is smaller than the sum of its proper divisors (20447390502).

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

11956180698 is a wasteful number, since it uses less digits than its factorization.

11956180698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28432 (or 28429 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 11956180698 in words is "eleven billion, nine hundred fifty-six million, one hundred eighty thousand, six hundred ninety-eight".