32511137068481 has 2 divisors, whose sum is σ = 32511137068482. Its totient is φ = 32511137068480.

The previous prime is 32511137068471. The next prime is 32511137068511. The reversal of 32511137068481 is 18486073111523.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32000461041025 + 510676027456 = 5656895^2 + 714616^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32511137068481 is a prime.

It is a super-2 number, since 2×32511137068481² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (32511137068411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16255568534240 + 16255568534241.

It is an arithmetic number, because the mean of its divisors is an integer number (16255568534241).

Almost surely, 2^{32511137068481} is an apocalyptic number.

It is an amenable number.

32511137068481 is a deficient number, since it is larger than the sum of its proper divisors (1).

32511137068481 is an equidigital number, since it uses as much as digits as its factorization.

32511137068481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 32511137068481 in words is "thirty-two trillion, five hundred eleven billion, one hundred thirty-seven million, sixty-eight thousand, four hundred eighty-one".