1080489565156 has 9 divisors (see below), whose sum is σ = 1890860377161. Its totient is φ = 540243743112.

The previous prime is 1080489565153. The next prime is 1080489565237. The reversal of 1080489565156 is 6515659840801.

The square root of 1080489565156 is 1039466.

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

It can be written as a sum of positive squares in only one way, i.e., 403186900900 + 677302664256 = 634970^2 + 822984^2 .

It is a super-2 number, since 2×1080489565156² (a number of 25 digits) contains 22 as substring.

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 1080489565156.

It is not an unprimeable number, because it can be changed into a prime (1080489565153) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1819066 + ... + 2338798.

Almost surely, 2^{1080489565156} is an apocalyptic number.

1080489565156 is the 1039466-th square number.

It is an amenable number.

1080489565156 is a deficient number, since it is larger than the sum of its proper divisors (810370812005).

1080489565156 is an frugal number, since it uses more digits than its factorization.

1080489565156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039470 (or 519735 counting only the distinct ones).

The product of its (nonzero) digits is 10368000, while the sum is 58.

The spelling of 1080489565156 in words is "one trillion, eighty billion, four hundred eighty-nine million, five hundred sixty-five thousand, one hundred fifty-six".