32516275860221 has 4 divisors (see below), whose sum is σ = 32517191151072. Its totient is φ = 32515360569372.

The previous prime is 32516275860203. The next prime is 32516275860223. The reversal of 32516275860221 is 12206857261523.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-32516275860221 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 32516275860221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32516275860223) 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, 457592135 + ... + 457663188.

It is an arithmetic number, because the mean of its divisors is an integer number (8129297787768).

Almost surely, 2^{32516275860221} is an apocalyptic number.

It is an amenable number.

32516275860221 is a deficient number, since it is larger than the sum of its proper divisors (915290851).

32516275860221 is an equidigital number, since it uses as much as digits as its factorization.

32516275860221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915290850.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 32516275860221 in words is "thirty-two trillion, five hundred sixteen billion, two hundred seventy-five million, eight hundred sixty thousand, two hundred twenty-one".