11051145194 has 4 divisors (see below), whose sum is σ = 16576717794. Its totient is φ = 5525572596.

The previous prime is 11051145191. The next prime is 11051145241. The reversal of 11051145194 is 49154115011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49154115011 = 233 ⋅210961867.

It can be written as a sum of positive squares in only one way, i.e., 9933112225 + 1118032969 = 99665^2 + 33437^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11051145194.

It is not an unprimeable number, because it can be changed into a prime (11051145191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762786297 + ... + 2762786300.

Almost surely, 2^11051145194 is an apocalyptic number.

11051145194 is a deficient number, since it is larger than the sum of its proper divisors (5525572600).

11051145194 is an equidigital number, since it uses as much as digits as its factorization.

11051145194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5525572599.

The product of its (nonzero) digits is 3600, while the sum is 32.

The spelling of 11051145194 in words is "eleven billion, fifty-one million, one hundred forty-five thousand, one hundred ninety-four".