1278552795060 has 24 divisors (see below), whose sum is σ = 3579947826336. Its totient is φ = 340947412000.

The previous prime is 1278552795059. The next prime is 1278552795071. The reversal of 1278552795060 is 605972558721.

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, 10654606566 + ... + 10654606685.

It is an arithmetic number, because the mean of its divisors is an integer number (149164492764).

Almost surely, 2^{1278552795060} is an apocalyptic number.

1278552795060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1278552795060 is an abundant number, since it is smaller than the sum of its proper divisors (2301395031276).

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

1278552795060 is a wasteful number, since it uses less digits than its factorization.

1278552795060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21309213263 (or 21309213261 counting only the distinct ones).

The product of its (nonzero) digits is 10584000, while the sum is 57.

The spelling of 1278552795060 in words is "one trillion, two hundred seventy-eight billion, five hundred fifty-two million, seven hundred ninety-five thousand, sixty".