129043326504048 has 80 divisors (see below), whose sum is σ = 363704981486592. Its totient is φ = 39100014144000.

The previous prime is 129043326504047. The next prime is 129043326504101. The reversal of 129043326504048 is 840405623340921.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (129043326504041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7438048 + ... + 17703423.

Almost surely, 2^{129043326504048} is an apocalyptic number.

It is an amenable number.

129043326504048 is an abundant number, since it is smaller than the sum of its proper divisors (234661654982544).

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

129043326504048 is a wasteful number, since it uses less digits than its factorization.

129043326504048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25151214 (or 25151208 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 51.

Adding to 129043326504048 its reverse (840405623340921), we get a palindrome (969448949844969).

The spelling of 129043326504048 in words is "one hundred twenty-nine trillion, forty-three billion, three hundred twenty-six million, five hundred four thousand, forty-eight".