43103512055 has 12 divisors (see below), whose sum is σ = 51854491416. Its totient is φ = 34396176000.

The previous prime is 43103512021. The next prime is 43103512099. The reversal of 43103512055 is 55021530134.

It is not a de Polignac number, because 43103512055 - 2¹⁸ = 43103249911 is a prime.

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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777200 + ... + 830810.

It is an arithmetic number, because the mean of its divisors is an integer number (4321207618).

Almost surely, 2^43103512055 is an apocalyptic number.

43103512055 is a deficient number, since it is larger than the sum of its proper divisors (8750979361).

43103512055 is an frugal number, since it uses more digits than its factorization.

43103512055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54418 (or 54017 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 43103512055 in words is "forty-three billion, one hundred three million, five hundred twelve thousand, fifty-five".