41645504065725 has 72 divisors (see below), whose sum is σ = 85395430602560. Its totient is φ = 19004949596160.

The previous prime is 41645504065663. The next prime is 41645504065747. The reversal of 41645504065725 is 52756040554614.

41645504065725 is a `hidden beast` number, since 4 + 1 + 6 + 4 + 5 + 504 + 0 + 65 + 72 + 5 = 666.

It is not a de Polignac number, because 41645504065725 - 2¹⁰ = 41645504064701 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 22004215 + ... + 23821764.

Almost surely, 2^{41645504065725} is an apocalyptic number.

41645504065725 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41645504065725 is an abundant number, since it is smaller than the sum of its proper divisors (43749926536835).

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

41645504065725 is a wasteful number, since it uses less digits than its factorization.

41645504065725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45826579 (or 45826571 counting only the distinct ones).

The product of its (nonzero) digits is 20160000, while the sum is 54.

The spelling of 41645504065725 in words is "forty-one trillion, six hundred forty-five billion, five hundred four million, sixty-five thousand, seven hundred twenty-five".