41565128913 has 48 divisors (see below), whose sum is σ = 78143497920. Its totient is φ = 21592267200.

The previous prime is 41565128867. The next prime is 41565128929. The reversal of 41565128913 is 31982156514.

It is a happy number.

41565128913 is a `hidden beast` number, since 4 + 1 + 56 + 512 + 89 + 1 + 3 = 666.

41565128913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 41565128913 - 2⁶ = 41565128849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (41565128993) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1413508 + ... + 1442613.

It is an arithmetic number, because the mean of its divisors is an integer number (1627989540).

Almost surely, 2^41565128913 is an apocalyptic number.

It is an amenable number.

41565128913 is a deficient number, since it is larger than the sum of its proper divisors (36578369007).

41565128913 is a wasteful number, since it uses less digits than its factorization.

41565128913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2856155 (or 2856142 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The spelling of 41565128913 in words is "forty-one billion, five hundred sixty-five million, one hundred twenty-eight thousand, nine hundred thirteen".