11640893798 has 8 divisors (see below), whose sum is σ = 17466708360. Its totient is φ = 5818657680.

The previous prime is 11640893779. The next prime is 11640893807. The reversal of 11640893798 is 89739804611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 886463 + ... + 899498.

It is an arithmetic number, because the mean of its divisors is an integer number (2183338545).

Almost surely, 2^11640893798 is an apocalyptic number.

11640893798 is a deficient number, since it is larger than the sum of its proper divisors (5825814562).

11640893798 is a wasteful number, since it uses less digits than its factorization.

11640893798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789222.

The product of its (nonzero) digits is 2612736, while the sum is 56.

The spelling of 11640893798 in words is "eleven billion, six hundred forty million, eight hundred ninety-three thousand, seven hundred ninety-eight".