41065678001991 has 32 divisors (see below), whose sum is σ = 59256946658560. Its totient is φ = 25208305664256.

The previous prime is 41065678001989. The next prime is 41065678001993. The reversal of 41065678001991 is 19910087656014.

It is a happy number.

41065678001991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (41065678001989) and next prime (41065678001993).

It is not a de Polignac number, because 41065678001991 - 2¹ = 41065678001989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41065678001993) 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 in 31 ways as a sum of consecutive naturals, for example, 8414281 + ... + 12366546.

It is an arithmetic number, because the mean of its divisors is an integer number (1851779583080).

Almost surely, 2^{41065678001991} is an apocalyptic number.

41065678001991 is a deficient number, since it is larger than the sum of its proper divisors (18191268656569).

41065678001991 is a wasteful number, since it uses less digits than its factorization.

41065678001991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20781823.

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 41065678001991 in words is "forty-one trillion, sixty-five billion, six hundred seventy-eight million, one thousand, nine hundred ninety-one".