1331175982756 has 9 divisors (see below), whose sum is σ = 2329562008011. Its totient is φ = 665586837612.

The previous prime is 1331175982729. The next prime is 1331175982769. The reversal of 1331175982756 is 6572895711331.

The square root of 1331175982756 is 1153766.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1331175982756.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2019091 + ... + 2595973.

Almost surely, 2^{1331175982756} is an apocalyptic number.

1331175982756 is the 1153766-th square number.

It is an amenable number.

1331175982756 is a deficient number, since it is larger than the sum of its proper divisors (998386025255).

1331175982756 is an frugal number, since it uses more digits than its factorization.

1331175982756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1153770 (or 576885 counting only the distinct ones).

The product of its digits is 9525600, while the sum is 58.

The spelling of 1331175982756 in words is "one trillion, three hundred thirty-one billion, one hundred seventy-five million, nine hundred eighty-two thousand, seven hundred fifty-six".