41056064981 has 2 divisors, whose sum is σ = 41056064982. Its totient is φ = 41056064980.

The previous prime is 41056064947. The next prime is 41056065047. The reversal of 41056064981 is 18946065014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33990821956 + 7065243025 = 184366^2 + 84055^2 .

It is a cyclic number.

It is not a de Polignac number, because 41056064981 - 2³⁴ = 23876195797 is a prime.

It is a super-2 number, since 2×41056064981² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41056064381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20528032490 + 20528032491.

It is an arithmetic number, because the mean of its divisors is an integer number (20528032491).

Almost surely, 2^41056064981 is an apocalyptic number.

It is an amenable number.

41056064981 is a deficient number, since it is larger than the sum of its proper divisors (1).

41056064981 is an equidigital number, since it uses as much as digits as its factorization.

41056064981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 207360, while the sum is 44.

The spelling of 41056064981 in words is "forty-one billion, fifty-six million, sixty-four thousand, nine hundred eighty-one".