43681080553 has 16 divisors (see below), whose sum is σ = 49671610560. Its totient is φ = 38048046400.

The previous prime is 43681080533. The next prime is 43681080563. The reversal of 43681080553 is 35508018634.

It is not a de Polignac number, because 43681080553 - 2¹³ = 43681072361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43681080533) 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, 480850 + ... + 564427.

It is an arithmetic number, because the mean of its divisors is an integer number (3104475660).

Almost surely, 2^43681080553 is an apocalyptic number.

It is an amenable number.

43681080553 is a deficient number, since it is larger than the sum of its proper divisors (5990530007).

43681080553 is a wasteful number, since it uses less digits than its factorization.

43681080553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045448.

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 43681080553 in words is "forty-three billion, six hundred eighty-one million, eighty thousand, five hundred fifty-three".