1275882166020 has 192 divisors, whose sum is σ = 4562623199232. Its totient is φ = 258652032000.

The previous prime is 1275882166003. The next prime is 1275882166073. The reversal of 1275882166020 is 206612885721.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3178446 + ... + 3557285.

It is an arithmetic number, because the mean of its divisors is an integer number (23763662496).

Almost surely, 2^{1275882166020} is an apocalyptic number.

1275882166020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1275882166020 is an abundant number, since it is smaller than the sum of its proper divisors (3286741033212).

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

1275882166020 is a wasteful number, since it uses less digits than its factorization.

1275882166020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735802 (or 6735800 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 1275882166020 in words is "one trillion, two hundred seventy-five billion, eight hundred eighty-two million, one hundred sixty-six thousand, twenty".