129230115311 has 8 divisors (see below), whose sum is σ = 141476467584. Its totient is φ = 117066789720.

The previous prime is 129230115277. The next prime is 129230115319. The reversal of 129230115311 is 113511032921.

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-129230115311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129230115319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20753411 + ... + 20759636.

It is an arithmetic number, because the mean of its divisors is an integer number (17684558448).

Almost surely, 2^129230115311 is an apocalyptic number.

129230115311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

129230115311 is a deficient number, since it is larger than the sum of its proper divisors (12246352273).

129230115311 is a wasteful number, since it uses less digits than its factorization.

129230115311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41513341.

The product of its (nonzero) digits is 1620, while the sum is 29.

The spelling of 129230115311 in words is "one hundred twenty-nine billion, two hundred thirty million, one hundred fifteen thousand, three hundred eleven".