1275289942416 has 160 divisors (see below), whose sum is σ = 3772611870720. Its totient is φ = 363646568448.

The previous prime is 1275289942403. The next prime is 1275289942441. The reversal of 1275289942416 is 6142499825721.

It is a self number, because there is not a number n which added to its sum of digits gives 1275289942416.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569579025 + ... + 569581263.

It is an arithmetic number, because the mean of its divisors is an integer number (23578824192).

Almost surely, 2^{1275289942416} is an apocalyptic number.

1275289942416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1275289942416 is an abundant number, since it is smaller than the sum of its proper divisors (2497321928304).

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

1275289942416 is a wasteful number, since it uses less digits than its factorization.

1275289942416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4861 (or 4855 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The spelling of 1275289942416 in words is "one trillion, two hundred seventy-five billion, two hundred eighty-nine million, nine hundred forty-two thousand, four hundred sixteen".