11361163165 has 32 divisors (see below), whose sum is σ = 15158347776. Its totient is φ = 8105540160.

The previous prime is 11361163153. The next prime is 11361163201. The reversal of 11361163165 is 56136116311.

It is not a de Polignac number, because 11361163165 - 2⁹ = 11361162653 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11361163165.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 596784 + ... + 615526.

It is an arithmetic number, because the mean of its divisors is an integer number (473698368).

Almost surely, 2^11361163165 is an apocalyptic number.

It is an amenable number.

11361163165 is a deficient number, since it is larger than the sum of its proper divisors (3797184611).

11361163165 is a wasteful number, since it uses less digits than its factorization.

11361163165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18969.

The product of its digits is 9720, while the sum is 34.

Adding to 11361163165 its reverse (56136116311), we get a palindrome (67497279476).

The spelling of 11361163165 in words is "eleven billion, three hundred sixty-one million, one hundred sixty-three thousand, one hundred sixty-five".