129411257395 has 16 divisors (see below), whose sum is σ = 177946594560. Its totient is φ = 88504998624.

The previous prime is 129411257383. The next prime is 129411257401. The reversal of 129411257395 is 593752114921.

It is not a de Polignac number, because 129411257395 - 2⁵ = 129411257363 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4864657 + ... + 4891186.

It is an arithmetic number, because the mean of its divisors is an integer number (11121662160).

Almost surely, 2^129411257395 is an apocalyptic number.

129411257395 is a deficient number, since it is larger than the sum of its proper divisors (48535337165).

129411257395 is an equidigital number, since it uses as much as digits as its factorization.

129411257395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9756234.

The product of its digits is 680400, while the sum is 49.

The spelling of 129411257395 in words is "one hundred twenty-nine billion, four hundred eleven million, two hundred fifty-seven thousand, three hundred ninety-five".