32611261561643 has 2 divisors, whose sum is σ = 32611261561644. Its totient is φ = 32611261561642.

The previous prime is 32611261561633. The next prime is 32611261561673. The reversal of 32611261561643 is 34616516211623.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32611261561643 - 2¹² = 32611261557547 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (32611261561633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16305630780821 + 16305630780822.

It is an arithmetic number, because the mean of its divisors is an integer number (16305630780822).

Almost surely, 2^{32611261561643} is an apocalyptic number.

32611261561643 is a deficient number, since it is larger than the sum of its proper divisors (1).

32611261561643 is an equidigital number, since it uses as much as digits as its factorization.

32611261561643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 47.

The spelling of 32611261561643 in words is "thirty-two trillion, six hundred eleven billion, two hundred sixty-one million, five hundred sixty-one thousand, six hundred forty-three".