43888081011 has 8 divisors (see below), whose sum is σ = 58564982784. Its totient is φ = 29234949960.

The previous prime is 43888081009. The next prime is 43888081031. The reversal of 43888081011 is 11018088834.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 43888081011 - 2¹ = 43888081009 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (43888081001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5938371 + ... + 5945756.

It is an arithmetic number, because the mean of its divisors is an integer number (7320622848).

Almost surely, 2^43888081011 is an apocalyptic number.

43888081011 is a deficient number, since it is larger than the sum of its proper divisors (14676901773).

43888081011 is a wasteful number, since it uses less digits than its factorization.

43888081011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11885361.

The product of its (nonzero) digits is 49152, while the sum is 42.

The spelling of 43888081011 in words is "forty-three billion, eight hundred eighty-eight million, eighty-one thousand, eleven".