80111945129 has 8 divisors (see below), whose sum is σ = 80303199168. Its totient is φ = 79920918000.

The previous prime is 80111945119. The next prime is 80111945141. The reversal of 80111945129 is 92154911108.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80111945129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80111945119) 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 7 ways as a sum of consecutive naturals, for example, 661004 + ... + 772754.

It is an arithmetic number, because the mean of its divisors is an integer number (10037899896).

Almost surely, 2^80111945129 is an apocalyptic number.

It is an amenable number.

80111945129 is a deficient number, since it is larger than the sum of its proper divisors (191254039).

80111945129 is a wasteful number, since it uses less digits than its factorization.

80111945129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113455.

The product of its (nonzero) digits is 25920, while the sum is 41.

The spelling of 80111945129 in words is "eighty billion, one hundred eleven million, nine hundred forty-five thousand, one hundred twenty-nine".