129511485888 has 28 divisors (see below), whose sum is σ = 342665806920. Its totient is φ = 43170495232.

The previous prime is 129511485869. The next prime is 129511485899. The reversal of 129511485888 is 888584115921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337269303 + ... + 337269686.

Almost surely, 2^129511485888 is an apocalyptic number.

It is an amenable number.

129511485888 is an abundant number, since it is smaller than the sum of its proper divisors (213154321032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129511485888 is an equidigital number, since it uses as much as digits as its factorization.

129511485888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674539004 (or 674538994 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 60.

The spelling of 129511485888 in words is "one hundred twenty-nine billion, five hundred eleven million, four hundred eighty-five thousand, eight hundred eighty-eight".