43215553143641 has 16 divisors (see below), whose sum is σ = 43344846518400. Its totient is φ = 43086442658688.

The previous prime is 43215553143601. The next prime is 43215553143667. The reversal of 43215553143641 is 14634135551234.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43215553143641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43215553143601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4744265195 + ... + 4744274303.

It is an arithmetic number, because the mean of its divisors is an integer number (2709052907400).

Almost surely, 2^{43215553143641} is an apocalyptic number.

It is an amenable number.

43215553143641 is a deficient number, since it is larger than the sum of its proper divisors (129293374759).

43215553143641 is a wasteful number, since it uses less digits than its factorization.

43215553143641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17648.

The product of its digits is 2592000, while the sum is 47.

Adding to 43215553143641 its reverse (14634135551234), we get a palindrome (57849688694875).

The spelling of 43215553143641 in words is "forty-three trillion, two hundred fifteen billion, five hundred fifty-three million, one hundred forty-three thousand, six hundred forty-one".