32121506541 has 4 divisors (see below), whose sum is σ = 42828675392. Its totient is φ = 21414337692.

The previous prime is 32121506537. The next prime is 32121506587. The reversal of 32121506541 is 14560512123.

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 not a de Polignac number, because 32121506541 - 2² = 32121506537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32121506499 and 32121506508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121506591) 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, 5353584421 + ... + 5353584426.

It is an arithmetic number, because the mean of its divisors is an integer number (10707168848).

Almost surely, 2^32121506541 is an apocalyptic number.

It is an amenable number.

32121506541 is a deficient number, since it is larger than the sum of its proper divisors (10707168851).

32121506541 is a wasteful number, since it uses less digits than its factorization.

32121506541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707168850.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 32121506541 in words is "thirty-two billion, one hundred twenty-one million, five hundred six thousand, five hundred forty-one".