80144911 has 32 divisors (see below), whose sum is σ = 103136256. Its totient is φ = 60480000.

The previous prime is 80144899. The next prime is 80144921. The reversal of 80144911 is 11944108.

It is not a de Polignac number, because 80144911 - 2⁵ = 80144879 is a prime.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80144911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80144921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530686 + ... + 530836.

It is an arithmetic number, because the mean of its divisors is an integer number (3223008).

Almost surely, 2^80144911 is an apocalyptic number.

80144911 is a deficient number, since it is larger than the sum of its proper divisors (22991345).

80144911 is a wasteful number, since it uses less digits than its factorization.

80144911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 1152, while the sum is 28.

The square root of 80144911 is about 8952.3690160761. The cubic root of 80144911 is about 431.1469488139.

It can be divided in two parts, 80 and 144911, that added together give a triangular number (144991 = T₅₃₈).

The spelling of 80144911 in words is "eighty million, one hundred forty-four thousand, nine hundred eleven".