11926813798 has 16 divisors (see below), whose sum is σ = 18881003520. Its totient is φ = 5634785736.

The previous prime is 11926813781. The next prime is 11926813823. The reversal of 11926813798 is 89731862911.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 395190 + ... + 424297.

It is an arithmetic number, because the mean of its divisors is an integer number (1180062720).

Almost surely, 2^11926813798 is an apocalyptic number.

11926813798 is a deficient number, since it is larger than the sum of its proper divisors (6954189722).

11926813798 is a wasteful number, since it uses less digits than its factorization.

11926813798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819891.

The product of its digits is 1306368, while the sum is 55.

The spelling of 11926813798 in words is "eleven billion, nine hundred twenty-six million, eight hundred thirteen thousand, seven hundred ninety-eight".