41803661519945 has 96 divisors (see below), whose sum is σ = 55719676922112. Its totient is φ = 30083208969216.

The previous prime is 41803661519923. The next prime is 41803661519953. The reversal of 41803661519945 is 54991516630814.

It is a happy number.

It is not a de Polignac number, because 41803661519945 - 2²² = 41803657325641 is a prime.

It is a super-2 number, since 2×41803661519945² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10591247462 + ... + 10591251408.

It is an arithmetic number, because the mean of its divisors is an integer number (580413301272).

Almost surely, 2^{41803661519945} is an apocalyptic number.

It is an amenable number.

41803661519945 is a deficient number, since it is larger than the sum of its proper divisors (13916015402167).

41803661519945 is a wasteful number, since it uses less digits than its factorization.

41803661519945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5571 (or 5558 counting only the distinct ones).

The product of its (nonzero) digits is 27993600, while the sum is 62.

The spelling of 41803661519945 in words is "forty-one trillion, eight hundred three billion, six hundred sixty-one million, five hundred nineteen thousand, nine hundred forty-five".