32661055205831 has 4 divisors (see below), whose sum is σ = 35173444067832. Its totient is φ = 30148666343832.

The previous prime is 32661055205827. The next prime is 32661055205837. The reversal of 32661055205831 is 13850255016623.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 32661055205831 - 2² = 32661055205827 is a prime.

It is a super-2 number, since 2×32661055205831² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32661055205837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256194430981 + ... + 1256194431006.

It is an arithmetic number, because the mean of its divisors is an integer number (8793361016958).

Almost surely, 2^{32661055205831} is an apocalyptic number.

32661055205831 is a deficient number, since it is larger than the sum of its proper divisors (2512388862001).

32661055205831 is a wasteful number, since it uses less digits than its factorization.

32661055205831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512388862000.

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 32661055205831 in words is "thirty-two trillion, six hundred sixty-one billion, fifty-five million, two hundred five thousand, eight hundred thirty-one".