43201656116415 has 20 divisors (see below), whose sum is σ = 77442968742744. Its totient is φ = 23040883261872.

The previous prime is 43201656116401. The next prime is 43201656116419. The reversal of 43201656116415 is 51461165610234.

43201656116415 is a `hidden beast` number, since 4 + 3 + 2 + 0 + 16 + 5 + 611 + 6 + 4 + 15 = 666.

It is not a de Polignac number, because 43201656116415 - 2¹² = 43201656112319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43201656116419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 53335377517 + ... + 53335378326.

Almost surely, 2^{43201656116415} is an apocalyptic number.

43201656116415 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

43201656116415 is a deficient number, since it is larger than the sum of its proper divisors (34241312626329).

43201656116415 is a wasteful number, since it uses less digits than its factorization.

43201656116415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106670755860 (or 106670755851 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 43201656116415 in words is "forty-three trillion, two hundred one billion, six hundred fifty-six million, one hundred sixteen thousand, four hundred fifteen".