11546536321065 has 16 divisors (see below), whose sum is σ = 18475178784768. Its totient is φ = 6157912480896.

The previous prime is 11546536321063. The next prime is 11546536321081. The reversal of 11546536321065 is 56012363564511.

It is not a de Polignac number, because 11546536321065 - 2¹ = 11546536321063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11546536321063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14616297 + ... + 15386006.

It is an arithmetic number, because the mean of its divisors is an integer number (1154698674048).

Almost surely, 2^{11546536321065} is an apocalyptic number.

11546536321065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11546536321065 is a deficient number, since it is larger than the sum of its proper divisors (6928642463703).

11546536321065 is a wasteful number, since it uses less digits than its factorization.

11546536321065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30027968.

The product of its (nonzero) digits is 1944000, while the sum is 48.

Adding to 11546536321065 its reverse (56012363564511), we get a palindrome (67558899885576).

The spelling of 11546536321065 in words is "eleven trillion, five hundred forty-six billion, five hundred thirty-six million, three hundred twenty-one thousand, sixty-five".