11943935998 has 32 divisors (see below), whose sum is σ = 19157483520. Its totient is φ = 5572476000.

The previous prime is 11943935989. The next prime is 11943936001. The reversal of 11943935998 is 89953934911.

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, 1454083 + ... + 1462273.

It is an arithmetic number, because the mean of its divisors is an integer number (598671360).

Almost surely, 2^11943935998 is an apocalyptic number.

11943935998 is a deficient number, since it is larger than the sum of its proper divisors (7213547522).

11943935998 is a wasteful number, since it uses less digits than its factorization.

11943935998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9064.

The product of its digits is 9447840, while the sum is 61.

The spelling of 11943935998 in words is "eleven billion, nine hundred forty-three million, nine hundred thirty-five thousand, nine hundred ninety-eight".