1080780635236 has 9 divisors (see below), whose sum is σ = 1891369750291. Its totient is φ = 540389278012.

The previous prime is 1080780635203. The next prime is 1080780635239. The reversal of 1080780635236 is 6325360870801.

The square root of 1080780635236 is 1039606.

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

It is a super-2 number, since 2×1080780635236² (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 1080780635236.

It is not an unprimeable number, because it can be changed into a prime (1080780635239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1819311 + ... + 2339113.

Almost surely, 2^{1080780635236} is an apocalyptic number.

1080780635236 is the 1039606-th square number.

It is an amenable number.

1080780635236 is a deficient number, since it is larger than the sum of its proper divisors (810589115055).

1080780635236 is an frugal number, since it uses more digits than its factorization.

1080780635236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039610 (or 519805 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

Multiplying 1080780635236 by its sum of digits (49), we get a square (52958251126564 = 7277242²).

The spelling of 1080780635236 in words is "one trillion, eighty billion, seven hundred eighty million, six hundred thirty-five thousand, two hundred thirty-six".