43520555103 has 16 divisors (see below), whose sum is σ = 60572703456. Its totient is φ = 27766765440.

The previous prime is 43520555077. The next prime is 43520555129. The reversal of 43520555103 is 30155502534.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (43520555077) and next prime (43520555129).

It is not a de Polignac number, because 43520555103 - 2¹² = 43520551007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43520555153) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3206976 + ... + 3220517.

It is an arithmetic number, because the mean of its divisors is an integer number (3785793966).

Almost surely, 2^43520555103 is an apocalyptic number.

43520555103 is a deficient number, since it is larger than the sum of its proper divisors (17052148353).

43520555103 is a wasteful number, since it uses less digits than its factorization.

43520555103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427594.

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 43520555103 in words is "forty-three billion, five hundred twenty million, five hundred fifty-five thousand, one hundred three".