43661006065752 has 32 divisors (see below), whose sum is σ = 115573251351600. Its totient is φ = 13697570530304.

The previous prime is 43661006065751. The next prime is 43661006065763. The reversal of 43661006065752 is 25756060016634.

43661006065752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 43661006065695 and 43661006065704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43661006065751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53506134477 + ... + 53506135292.

Almost surely, 2^{43661006065752} is an apocalyptic number.

It is an amenable number.

43661006065752 is an abundant number, since it is smaller than the sum of its proper divisors (71912245285848).

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

43661006065752 is a wasteful number, since it uses less digits than its factorization.

43661006065752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107012269795 (or 107012269791 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 43661006065752 in words is "forty-three trillion, six hundred sixty-one billion, six million, sixty-five thousand, seven hundred fifty-two".