129477513080 has 32 divisors (see below), whose sum is σ = 296262111600. Its totient is φ = 50913190656.

The previous prime is 129477513017. The next prime is 129477513119. The reversal of 129477513080 is 80315774921.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27429317 + ... + 27434036.

Almost surely, 2^129477513080 is an apocalyptic number.

129477513080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

129477513080 is an abundant number, since it is smaller than the sum of its proper divisors (166784598520).

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

129477513080 is a wasteful number, since it uses less digits than its factorization.

129477513080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54863423 (or 54863419 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 47.

The spelling of 129477513080 in words is "one hundred twenty-nine billion, four hundred seventy-seven million, five hundred thirteen thousand, eighty".