11035520197 has 4 divisors (see below), whose sum is σ = 11884406380. Its totient is φ = 10186634016.

The previous prime is 11035520143. The next prime is 11035520299. The reversal of 11035520197 is 79102553011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1520298081 + 9515222116 = 38991^2 + 97546^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11035520197 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 (11035526197) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424443072 + ... + 424443097.

It is an arithmetic number, because the mean of its divisors is an integer number (2971101595).

Almost surely, 2^11035520197 is an apocalyptic number.

It is an amenable number.

11035520197 is a deficient number, since it is larger than the sum of its proper divisors (848886183).

11035520197 is an equidigital number, since it uses as much as digits as its factorization.

11035520197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848886182.

The product of its (nonzero) digits is 9450, while the sum is 34.

The spelling of 11035520197 in words is "eleven billion, thirty-five million, five hundred twenty thousand, one hundred ninety-seven".