129815000601 has 32 divisors (see below), whose sum is σ = 203622236160. Its totient is φ = 72525326400.

The previous prime is 129815000597. The next prime is 129815000617. The reversal of 129815000601 is 106000518921.

It is not a de Polignac number, because 129815000601 - 2² = 129815000597 is a prime.

It is a super-2 number, since 2×129815000601² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (129815000501) 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, 112296 + ... + 521766.

It is an arithmetic number, because the mean of its divisors is an integer number (6363194880).

Almost surely, 2^129815000601 is an apocalyptic number.

129815000601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

129815000601 is a deficient number, since it is larger than the sum of its proper divisors (73807235559).

129815000601 is a wasteful number, since it uses less digits than its factorization.

129815000601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410237.

The product of its (nonzero) digits is 4320, while the sum is 33.

The spelling of 129815000601 in words is "one hundred twenty-nine billion, eight hundred fifteen million, six hundred one", and thus it is an aban number.