43315120255 has 8 divisors (see below), whose sum is σ = 56703430224. Its totient is φ = 31501905600.

The previous prime is 43315120237. The next prime is 43315120283. The reversal of 43315120255 is 55202151334.

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

It is not a de Polignac number, because 43315120255 - 2⁵ = 43315120223 is a prime.

It is a super-2 number, since 2×43315120255² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393773766 + ... + 393773875.

It is an arithmetic number, because the mean of its divisors is an integer number (7087928778).

Almost surely, 2^43315120255 is an apocalyptic number.

43315120255 is a deficient number, since it is larger than the sum of its proper divisors (13388309969).

43315120255 is a wasteful number, since it uses less digits than its factorization.

43315120255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787547657.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 43315120255 its reverse (55202151334), we get a palindrome (98517271589).

The spelling of 43315120255 in words is "forty-three billion, three hundred fifteen million, one hundred twenty thousand, two hundred fifty-five".