129093112091 has 4 divisors (see below), whose sum is σ = 131281131000. Its totient is φ = 126905093184.

The previous prime is 129093112079. The next prime is 129093112111. The reversal of 129093112091 is 190211390921.

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 129093112091 - 2¹⁴ = 129093095707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (129093114091) 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 3 ways as a sum of consecutive naturals, for example, 1094009366 + ... + 1094009483.

It is an arithmetic number, because the mean of its divisors is an integer number (32820282750).

Almost surely, 2^129093112091 is an apocalyptic number.

129093112091 is a deficient number, since it is larger than the sum of its proper divisors (2188018909).

129093112091 is an equidigital number, since it uses as much as digits as its factorization.

129093112091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188018908.

The product of its (nonzero) digits is 8748, while the sum is 38.

The spelling of 129093112091 in words is "one hundred twenty-nine billion, ninety-three million, one hundred twelve thousand, ninety-one".