32140120054321 has 4 divisors (see below), whose sum is σ = 34030715351652. Its totient is φ = 30249524756992.

The previous prime is 32140120054303. The next prime is 32140120054373. The reversal of 32140120054321 is 12345002104123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12726799391296 + 19413320663025 = 3567464^2 + 4406055^2 .

It is a cyclic number.

It is not a de Polignac number, because 32140120054321 - 2³¹ = 32137972570673 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 32140120054321.

It is not an unprimeable number, because it can be changed into a prime (32140120054391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945297648640 + ... + 945297648673.

It is an arithmetic number, because the mean of its divisors is an integer number (8507678837913).

Almost surely, 2^{32140120054321} is an apocalyptic number.

It is an amenable number.

32140120054321 is a deficient number, since it is larger than the sum of its proper divisors (1890595297331).

32140120054321 is a wasteful number, since it uses less digits than its factorization.

32140120054321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890595297330.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 32140120054321 its reverse (12345002104123), we get a palindrome (44485122158444).

The spelling of 32140120054321 in words is "thirty-two trillion, one hundred forty billion, one hundred twenty million, fifty-four thousand, three hundred twenty-one".