43471255601 has 4 divisors (see below), whose sum is σ = 43855957092. Its totient is φ = 43086554112.

The previous prime is 43471255589. The next prime is 43471255691. The reversal of 43471255601 is 10655217434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10655217434 = 2 ⋅5327608717.

It can be written as a sum of positive squares in 2 ways, for example, as 390102001 + 43081153600 = 19751^2 + 207560^2 .

It is a cyclic number.

It is not a de Polignac number, because 43471255601 - 2¹⁰ = 43471254577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43471255691) 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 3 ways as a sum of consecutive naturals, for example, 192350576 + ... + 192350801.

It is an arithmetic number, because the mean of its divisors is an integer number (10963989273).

Almost surely, 2^43471255601 is an apocalyptic number.

It is an amenable number.

43471255601 is a deficient number, since it is larger than the sum of its proper divisors (384701491).

43471255601 is a wasteful number, since it uses less digits than its factorization.

43471255601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384701490.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 43471255601 in words is "forty-three billion, four hundred seventy-one million, two hundred fifty-five thousand, six hundred one".