11193930197 has 8 divisors (see below), whose sum is σ = 11588867640. Its totient is φ = 10799588800.

The previous prime is 11193930193. The next prime is 11193930277. The reversal of 11193930197 is 79103939111.

It can be written as a sum of positive squares in 4 ways, for example, as 993132196 + 10200798001 = 31514^2 + 100999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11193930197 - 2² = 11193930193 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11193930193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110618 + ... + 186075.

It is an arithmetic number, because the mean of its divisors is an integer number (1448608455).

Almost surely, 2^11193930197 is an apocalyptic number.

It is an amenable number.

11193930197 is a deficient number, since it is larger than the sum of its proper divisors (394937443).

11193930197 is a wasteful number, since it uses less digits than its factorization.

11193930197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298023.

The product of its (nonzero) digits is 45927, while the sum is 44.

The spelling of 11193930197 in words is "eleven billion, one hundred ninety-three million, nine hundred thirty thousand, one hundred ninety-seven".