43240613112661 has 8 divisors (see below), whose sum is σ = 43573135546944. Its totient is φ = 42908910710400.

The previous prime is 43240613112527. The next prime is 43240613112673. The reversal of 43240613112661 is 16621131604234.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 43240613112661 - 2¹¹ = 43240613110613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43240613116661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204902140 + ... + 205113061.

It is an arithmetic number, because the mean of its divisors is an integer number (5446641943368).

Almost surely, 2^{43240613112661} is an apocalyptic number.

It is an amenable number.

43240613112661 is a deficient number, since it is larger than the sum of its proper divisors (332522434283).

43240613112661 is a wasteful number, since it uses less digits than its factorization.

43240613112661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410016011.

The product of its (nonzero) digits is 124416, while the sum is 40.

Adding to 43240613112661 its reverse (16621131604234), we get a palindrome (59861744716895).

The spelling of 43240613112661 in words is "forty-three trillion, two hundred forty billion, six hundred thirteen million, one hundred twelve thousand, six hundred sixty-one".