32156661311345 has 16 divisors (see below), whose sum is σ = 39131927304192. Its totient is φ = 25362714726720.

The previous prime is 32156661311317. The next prime is 32156661311351. The reversal of 32156661311345 is 54311316665123.

It is not a de Polignac number, because 32156661311345 - 2²⁸ = 32156392875889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32156661311345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34404464 + ... + 35326766.

It is an arithmetic number, because the mean of its divisors is an integer number (2445745456512).

Almost surely, 2^{32156661311345} is an apocalyptic number.

It is an amenable number.

32156661311345 is a deficient number, since it is larger than the sum of its proper divisors (6975265992847).

32156661311345 is an equidigital number, since it uses as much as digits as its factorization.

32156661311345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020592.

The product of its digits is 1166400, while the sum is 47.

Adding to 32156661311345 its reverse (54311316665123), we get a palindrome (86467977976468).

The spelling of 32156661311345 in words is "thirty-two trillion, one hundred fifty-six billion, six hundred sixty-one million, three hundred eleven thousand, three hundred forty-five".