1163186284849 has 4 divisors (see below), whose sum is σ = 1165230549540. Its totient is φ = 1161142020160.

The previous prime is 1163186284837. The next prime is 1163186284879. The reversal of 1163186284849 is 9484826813611.

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 532024360000 + 631161924849 = 729400^2 + 794457^2 .

It is a cyclic number.

It is not a de Polignac number, because 1163186284849 - 2¹¹ = 1163186282801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1163186284879) 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 3 ways as a sum of consecutive naturals, for example, 1022131492 + ... + 1022132629.

It is an arithmetic number, because the mean of its divisors is an integer number (291307637385).

Almost surely, 2^{1163186284849} is an apocalyptic number.

It is an amenable number.

1163186284849 is a deficient number, since it is larger than the sum of its proper divisors (2044264691).

1163186284849 is an equidigital number, since it uses as much as digits as its factorization.

1163186284849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2044264690.

The product of its digits is 15925248, while the sum is 61.

The spelling of 1163186284849 in words is "one trillion, one hundred sixty-three billion, one hundred eighty-six million, two hundred eighty-four thousand, eight hundred forty-nine".