129355583024 has 20 divisors (see below), whose sum is σ = 254059683336. Its totient is φ = 63791793792.

The previous prime is 129355583003. The next prime is 129355583059. The reversal of 129355583024 is 420385553921.

It is a happy number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 129355583024.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55373654 + ... + 55375989.

Almost surely, 2^129355583024 is an apocalyptic number.

It is an amenable number.

129355583024 is a deficient number, since it is larger than the sum of its proper divisors (124704100312).

129355583024 is a wasteful number, since it uses less digits than its factorization.

129355583024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110749724 (or 110749718 counting only the distinct ones).

The product of its (nonzero) digits is 1296000, while the sum is 47.

The spelling of 129355583024 in words is "one hundred twenty-nine billion, three hundred fifty-five million, five hundred eighty-three thousand, twenty-four".