11163221158959 has 16 divisors (see below), whose sum is σ = 16538188343040. Its totient is φ = 7442110124280.

The previous prime is 11163221158931. The next prime is 11163221158967. The reversal of 11163221158959 is 95985112236111.

11163221158959 is a `hidden beast` number, since 1 + 1 + 1 + 6 + 3 + 2 + 2 + 1 + 1 + 589 + 59 = 666.

It is not a de Polignac number, because 11163221158959 - 2¹⁵ = 11163221126191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11163221158909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5111014 + ... + 6960524.

It is an arithmetic number, because the mean of its divisors is an integer number (1033636771440).

Almost surely, 2^{11163221158959} is an apocalyptic number.

11163221158959 is a deficient number, since it is larger than the sum of its proper divisors (5374967184081).

11163221158959 is a wasteful number, since it uses less digits than its factorization.

11163221158959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073067 (or 2073061 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 54.

The spelling of 11163221158959 in words is "eleven trillion, one hundred sixty-three billion, two hundred twenty-one million, one hundred fifty-eight thousand, nine hundred fifty-nine".