1081367052544 has 81 divisors (see below), whose sum is σ = 2183129667999. Its totient is φ = 534585623040.

The previous prime is 1081367052517. The next prime is 1081367052629. The reversal of 1081367052544 is 4452507631801.

The square root of 1081367052544 is 1039888.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1081367052494 and 1081367052503.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1713735109 + ... + 1713735739.

Almost surely, 2^{1081367052544} is an apocalyptic number.

1081367052544 is the 1039888-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1081367052544

1081367052544 is an abundant number, since it is smaller than the sum of its proper divisors (1101762615455).

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

1081367052544 is an frugal number, since it uses more digits than its factorization.

1081367052544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 1081367052544 in words is "one trillion, eighty-one billion, three hundred sixty-seven million, fifty-two thousand, five hundred forty-four".