11286536161 has 4 divisors (see below), whose sum is σ = 11880564400. Its totient is φ = 10692507924.

The previous prime is 11286536159. The next prime is 11286536167. The reversal of 11286536161 is 16163568211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11286536161 - 2¹ = 11286536159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11286536167) 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, 297014091 + ... + 297014128.

It is an arithmetic number, because the mean of its divisors is an integer number (2970141100).

Almost surely, 2^11286536161 is an apocalyptic number.

It is an amenable number.

11286536161 is a deficient number, since it is larger than the sum of its proper divisors (594028239).

11286536161 is an equidigital number, since it uses as much as digits as its factorization.

11286536161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594028238.

The product of its digits is 51840, while the sum is 40.

The spelling of 11286536161 in words is "eleven billion, two hundred eighty-six million, five hundred thirty-six thousand, one hundred sixty-one".