129515484315 has 32 divisors (see below), whose sum is σ = 243229086720. Its totient is φ = 57606885504.

The previous prime is 129515484313. The next prime is 129515484323. The reversal of 129515484315 is 513484515921.

It is not a de Polignac number, because 129515484315 - 2¹ = 129515484313 is a prime.

It is a super-2 number, since 2×129515484315² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (129515484313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16664775 + ... + 16672544.

It is an arithmetic number, because the mean of its divisors is an integer number (7600908960).

Almost surely, 2^129515484315 is an apocalyptic number.

129515484315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

129515484315 is a deficient number, since it is larger than the sum of its proper divisors (113713602405).

129515484315 is a wasteful number, since it uses less digits than its factorization.

129515484315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33337371.

The product of its digits is 864000, while the sum is 48.

The spelling of 129515484315 in words is "one hundred twenty-nine billion, five hundred fifteen million, four hundred eighty-four thousand, three hundred fifteen".