11945241198 has 48 divisors (see below), whose sum is σ = 28276228656. Its totient is φ = 3614382720.

The previous prime is 11945241181. The next prime is 11945241257. The reversal of 11945241198 is 89114254911.

It is a happy number.

11945241198 is a `hidden beast` number, since 1 + 1 + 9 + 4 + 524 + 119 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89490 + ... + 178602.

It is an arithmetic number, because the mean of its divisors is an integer number (589088097).

Almost surely, 2^11945241198 is an apocalyptic number.

11945241198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11945241198 is an abundant number, since it is smaller than the sum of its proper divisors (16330987458).

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

11945241198 is a wasteful number, since it uses less digits than its factorization.

11945241198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89809 (or 89806 counting only the distinct ones).

The product of its digits is 103680, while the sum is 45.

The spelling of 11945241198 in words is "eleven billion, nine hundred forty-five million, two hundred forty-one thousand, one hundred ninety-eight".