41905855117 has 24 divisors (see below), whose sum is σ = 51799107960. Its totient is φ = 33685908480.

The previous prime is 41905855111. The next prime is 41905855127. The reversal of 41905855117 is 71155850914.

It can be written as a sum of positive squares in 4 ways, for example, as 29645608041 + 12260247076 = 172179^2 + 110726^2 .

It is not a de Polignac number, because 41905855117 - 2⁷ = 41905854989 is a prime.

It is a super-2 number, since 2×41905855117² (a number of 22 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 (41905855111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144559 + ... + 323587.

It is an arithmetic number, because the mean of its divisors is an integer number (2158296165).

Almost surely, 2^41905855117 is an apocalyptic number.

It is an amenable number.

41905855117 is a deficient number, since it is larger than the sum of its proper divisors (9893252843).

41905855117 is a wasteful number, since it uses less digits than its factorization.

41905855117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179341 (or 179334 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 46.

The spelling of 41905855117 in words is "forty-one billion, nine hundred five million, eight hundred fifty-five thousand, one hundred seventeen".