1163105201 has 4 divisors (see below), whose sum is σ = 1231523172. Its totient is φ = 1094687232.

The previous prime is 1163105191. The next prime is 1163105221. The reversal of 1163105201 is 1025013611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1025013611 = 4799 ⋅213589.

It can be written as a sum of positive squares in 2 ways, for example, as 409657600 + 753447601 = 20240^2 + 27449^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163105201 - 2¹⁸ = 1162843057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163105221) 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, 34208960 + ... + 34208993.

It is an arithmetic number, because the mean of its divisors is an integer number (307880793).

Almost surely, 2^1163105201 is an apocalyptic number.

It is an amenable number.

1163105201 is a deficient number, since it is larger than the sum of its proper divisors (68417971).

1163105201 is an equidigital number, since it uses as much as digits as its factorization.

1163105201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68417970.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1163105201 is about 34104.3281857303. The cubic root of 1163105201 is about 1051.6542935475.

Adding to 1163105201 its reverse (1025013611), we get a palindrome (2188118812).

The spelling of 1163105201 in words is "one billion, one hundred sixty-three million, one hundred five thousand, two hundred one".