43115123055 has 16 divisors (see below), whose sum is σ = 68986873440. Its totient is φ = 22993840128.

The previous prime is 43115123039. The next prime is 43115123099. The reversal of 43115123055 is 55032151134.

43115123055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 43115123055 - 2⁴ = 43115123039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570951 + ... + 642039.

It is an arithmetic number, because the mean of its divisors is an integer number (4311679590).

Almost surely, 2^43115123055 is an apocalyptic number.

43115123055 is a deficient number, since it is larger than the sum of its proper divisors (25871750385).

43115123055 is a wasteful number, since it uses less digits than its factorization.

43115123055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111530.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 43115123055 its reverse (55032151134), we get a palindrome (98147274189).

The spelling of 43115123055 in words is "forty-three billion, one hundred fifteen million, one hundred twenty-three thousand, fifty-five".