126280578885328 has 80 divisors (see below), whose sum is σ = 298564280948736. Its totient is φ = 50563305555840.

The previous prime is 126280578885311. The next prime is 126280578885401. The reversal of 126280578885328 is 823588875082621.

It is a super-3 number, since 3×126280578885328³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 569912068 + ... + 570133603.

Almost surely, 2^{126280578885328} is an apocalyptic number.

It is an amenable number.

126280578885328 is an abundant number, since it is smaller than the sum of its proper divisors (172283702063408).

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

126280578885328 is a wasteful number, since it uses less digits than its factorization.

126280578885328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140045752 (or 1140045746 counting only the distinct ones).

The product of its (nonzero) digits is 825753600, while the sum is 73.

The spelling of 126280578885328 in words is "one hundred twenty-six trillion, two hundred eighty billion, five hundred seventy-eight million, eight hundred eighty-five thousand, three hundred twenty-eight".