11194418512 has 20 divisors (see below), whose sum is σ = 21702616276. Its totient is φ = 5593743360.

The previous prime is 11194418507. The next prime is 11194418531. The reversal of 11194418512 is 21581449111.

It can be written as a sum of positive squares in 2 ways, for example, as 8880423696 + 2313994816 = 94236^2 + 48104^2 .

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, 189873 + ... + 241744.

Almost surely, 2^11194418512 is an apocalyptic number.

It is an amenable number.

11194418512 is a deficient number, since it is larger than the sum of its proper divisors (10508197764).

11194418512 is a wasteful number, since it uses less digits than its factorization.

11194418512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433246 (or 433240 counting only the distinct ones).

The product of its digits is 11520, while the sum is 37.

The spelling of 11194418512 in words is "eleven billion, one hundred ninety-four million, four hundred eighteen thousand, five hundred twelve".