32131064556651 has 16 divisors (see below), whose sum is σ = 43840190387840. Its totient is φ = 20921380099200.

The previous prime is 32131064556631. The next prime is 32131064556667. The reversal of 32131064556651 is 15665546013123.

It is not a de Polignac number, because 32131064556651 - 2⁹ = 32131064556139 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 32131064556651.

It is not an unprimeable number, because it can be changed into a prime (32131064556631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4673806 + ... + 9279363.

It is an arithmetic number, because the mean of its divisors is an integer number (2740011899240).

Almost surely, 2^{32131064556651} is an apocalyptic number.

32131064556651 is a deficient number, since it is larger than the sum of its proper divisors (11709125831189).

32131064556651 is a wasteful number, since it uses less digits than its factorization.

32131064556651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13971066.

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 32131064556651 in words is "thirty-two trillion, one hundred thirty-one billion, sixty-four million, five hundred fifty-six thousand, six hundred fifty-one".