41405611613911 has 4 divisors (see below), whose sum is σ = 43841235826512. Its totient is φ = 38969987401312.

The previous prime is 41405611613881. The next prime is 41405611613923. The reversal of 41405611613911 is 11931611650414.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 41405611613911 - 2⁷ = 41405611613783 is a prime.

It is a super-2 number, since 2×41405611613911² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41405611613411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217812106275 + ... + 1217812106308.

It is an arithmetic number, because the mean of its divisors is an integer number (10960308956628).

Almost surely, 2^{41405611613911} is an apocalyptic number.

41405611613911 is a deficient number, since it is larger than the sum of its proper divisors (2435624212601).

41405611613911 is a wasteful number, since it uses less digits than its factorization.

41405611613911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435624212600.

The product of its (nonzero) digits is 77760, while the sum is 43.

The spelling of 41405611613911 in words is "forty-one trillion, four hundred five billion, six hundred eleven million, six hundred thirteen thousand, nine hundred eleven".