41087551081 has 2 divisors, whose sum is σ = 41087551082. Its totient is φ = 41087551080.

The previous prime is 41087551067. The next prime is 41087551123. The reversal of 41087551081 is 18015578014.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41071075600 + 16475481 = 202660^2 + 4059^2 .

It is a cyclic number.

It is not a de Polignac number, because 41087551081 - 2⁷ = 41087550953 is a prime.

It is a super-2 number, since 2×41087551081² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41087551181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20543775540 + 20543775541.

It is an arithmetic number, because the mean of its divisors is an integer number (20543775541).

Almost surely, 2^41087551081 is an apocalyptic number.

It is an amenable number.

41087551081 is a deficient number, since it is larger than the sum of its proper divisors (1).

41087551081 is an equidigital number, since it uses as much as digits as its factorization.

41087551081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 40.

The spelling of 41087551081 in words is "forty-one billion, eighty-seven million, five hundred fifty-one thousand, eighty-one".