129423750611 has 2 divisors, whose sum is σ = 129423750612. Its totient is φ = 129423750610.

The previous prime is 129423750559. The next prime is 129423750649. The reversal of 129423750611 is 116057324921.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 129423750611 - 2³⁴ = 112243881427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (129423750671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64711875305 + 64711875306.

It is an arithmetic number, because the mean of its divisors is an integer number (64711875306).

Almost surely, 2^129423750611 is an apocalyptic number.

129423750611 is a deficient number, since it is larger than the sum of its proper divisors (1).

129423750611 is an equidigital number, since it uses as much as digits as its factorization.

129423750611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 129423750611 in words is "one hundred twenty-nine billion, four hundred twenty-three million, seven hundred fifty thousand, six hundred eleven".