41081991356 has 24 divisors (see below), whose sum is σ = 82181514240. Its totient is φ = 17602810992.

The previous prime is 41081991347. The next prime is 41081991361. The reversal of 41081991356 is 65319918014.

It is a self number, because there is not a number n which added to its sum of digits gives 41081991356.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20900 + ... + 287403.

It is an arithmetic number, because the mean of its divisors is an integer number (3424229760).

Almost surely, 2^41081991356 is an apocalyptic number.

It is an amenable number.

41081991356 is an abundant number, since it is smaller than the sum of its proper divisors (41099522884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41081991356 is a wasteful number, since it uses less digits than its factorization.

41081991356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313073 (or 313071 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 47.

The spelling of 41081991356 in words is "forty-one billion, eighty-one million, nine hundred ninety-one thousand, three hundred fifty-six".