129515752048 has 20 divisors (see below), whose sum is σ = 251219702160. Its totient is φ = 64684861184.

The previous prime is 129515752039. The next prime is 129515752057. The reversal of 129515752048 is 840257515921.

It is an interprime number because it is at equal distance from previous prime (129515752039) and next prime (129515752057).

It is a junction number, because it is equal to n+sod(n) for n = 129515751992 and 129515752010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4548793 + ... + 4577176.

It is an arithmetic number, because the mean of its divisors is an integer number (12560985108).

Almost surely, 2^129515752048 is an apocalyptic number.

It is an amenable number.

129515752048 is a deficient number, since it is larger than the sum of its proper divisors (121703950112).

129515752048 is an equidigital number, since it uses as much as digits as its factorization.

129515752048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126864 (or 9126858 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 129515752048 in words is "one hundred twenty-nine billion, five hundred fifteen million, seven hundred fifty-two thousand, forty-eight".