11051009198 has 4 divisors (see below), whose sum is σ = 16576513800. Its totient is φ = 5525504598.

The previous prime is 11051009191. The next prime is 11051009201. The reversal of 11051009198 is 89190015011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89190015011 = 29 ⋅3075517759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051009191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762752298 + ... + 2762752301.

It is an arithmetic number, because the mean of its divisors is an integer number (4144128450).

Almost surely, 2^11051009198 is an apocalyptic number.

11051009198 is a deficient number, since it is larger than the sum of its proper divisors (5525504602).

11051009198 is an equidigital number, since it uses as much as digits as its factorization.

11051009198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525504601.

The product of its (nonzero) digits is 3240, while the sum is 35.

The spelling of 11051009198 in words is "eleven billion, fifty-one million, nine thousand, one hundred ninety-eight".