129652473342015 has 96 divisors (see below), whose sum is σ = 243265693332480. Its totient is φ = 63500564107008.

The previous prime is 129652473342011. The next prime is 129652473342017. The reversal of 129652473342015 is 510243374256921.

It is a happy number.

129652473342015 is a `hidden beast` number, since 1 + 2 + 9 + 6 + 524 + 73 + 3 + 42 + 0 + 1 + 5 = 666.

It is a Cunningham number, because it is equal to 11386504²-1.

It is not a de Polignac number, because 129652473342015 - 2² = 129652473342011 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129652473342011) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 101845962 + ... + 103111128.

It is an arithmetic number, because the mean of its divisors is an integer number (2534017638880).

Almost surely, 2^{129652473342015} is an apocalyptic number.

129652473342015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

129652473342015 is a deficient number, since it is larger than the sum of its proper divisors (113613219990465).

129652473342015 is a wasteful number, since it uses less digits than its factorization.

129652473342015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266093 (or 1266090 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 54.

The spelling of 129652473342015 in words is "one hundred twenty-nine trillion, six hundred fifty-two billion, four hundred seventy-three million, three hundred forty-two thousand, fifteen".