43255520255 has 8 divisors (see below), whose sum is σ = 53309506272. Its totient is φ = 33669161568.

The previous prime is 43255520207. The next prime is 43255520299. The reversal of 43255520255 is 55202555234.

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 43255520255 - 2³² = 38960552959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116906627 + ... + 116906996.

It is an arithmetic number, because the mean of its divisors is an integer number (6663688284).

Almost surely, 2^43255520255 is an apocalyptic number.

43255520255 is a deficient number, since it is larger than the sum of its proper divisors (10053986017).

43255520255 is a wasteful number, since it uses less digits than its factorization.

43255520255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233813665.

The product of its (nonzero) digits is 300000, while the sum is 38.

The spelling of 43255520255 in words is "forty-three billion, two hundred fifty-five million, five hundred twenty thousand, two hundred fifty-five".