80730733911 has 4 divisors (see below), whose sum is σ = 107640978552. Its totient is φ = 53820489272.

The previous prime is 80730733903. The next prime is 80730733927. The reversal of 80730733911 is 11933703708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80730733911 - 2³ = 80730733903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80730773911) 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 3 ways as a sum of consecutive naturals, for example, 13455122316 + ... + 13455122321.

It is an arithmetic number, because the mean of its divisors is an integer number (26910244638).

Almost surely, 2^80730733911 is an apocalyptic number.

80730733911 is a deficient number, since it is larger than the sum of its proper divisors (26910244641).

80730733911 is a wasteful number, since it uses less digits than its factorization.

80730733911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26910244640.

The product of its (nonzero) digits is 95256, while the sum is 42.

The spelling of 80730733911 in words is "eighty billion, seven hundred thirty million, seven hundred thirty-three thousand, nine hundred eleven".