43035056561 has 8 divisors (see below), whose sum is σ = 50769467904. Its totient is φ = 35697281760.

The previous prime is 43035056539. The next prime is 43035056599. The reversal of 43035056561 is 16565053034.

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

It is not a de Polignac number, because 43035056561 - 2³⁰ = 41961314737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43035056501) 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, 99158900 + ... + 99159333.

It is an arithmetic number, because the mean of its divisors is an integer number (6346183488).

Almost surely, 2^43035056561 is an apocalyptic number.

It is an amenable number.

43035056561 is a deficient number, since it is larger than the sum of its proper divisors (7734411343).

43035056561 is a wasteful number, since it uses less digits than its factorization.

43035056561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198318271.

The product of its (nonzero) digits is 162000, while the sum is 38.

The spelling of 43035056561 in words is "forty-three billion, thirty-five million, fifty-six thousand, five hundred sixty-one".