11898143822 has 4 divisors (see below), whose sum is σ = 17847215736. Its totient is φ = 5949071910.

The previous prime is 11898143819. The next prime is 11898143833. The reversal of 11898143822 is 22834189811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22834189811 = 129187 ⋅176753.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2974535954 + ... + 2974535957.

It is an arithmetic number, because the mean of its divisors is an integer number (4461803934).

Almost surely, 2^11898143822 is an apocalyptic number.

11898143822 is a deficient number, since it is larger than the sum of its proper divisors (5949071914).

11898143822 is an equidigital number, since it uses as much as digits as its factorization.

11898143822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5949071913.

The product of its digits is 221184, while the sum is 47.

The spelling of 11898143822 in words is "eleven billion, eight hundred ninety-eight million, one hundred forty-three thousand, eight hundred twenty-two".