32045251155521 has 4 divisors (see below), whose sum is σ = 32045392945152. Its totient is φ = 32045109365892.

The previous prime is 32045251155481. The next prime is 32045251155523. The reversal of 32045251155521 is 12555115254023.

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-32045251155521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32045251155523) 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, 70555265 + ... + 71007998.

It is an arithmetic number, because the mean of its divisors is an integer number (8011348236288).

Almost surely, 2^{32045251155521} is an apocalyptic number.

It is an amenable number.

32045251155521 is a deficient number, since it is larger than the sum of its proper divisors (141789631).

32045251155521 is a wasteful number, since it uses less digits than its factorization.

32045251155521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141789630.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 32045251155521 in words is "thirty-two trillion, forty-five billion, two hundred fifty-one million, one hundred fifty-five thousand, five hundred twenty-one".