10725081356889 has 9 divisors (see below), whose sum is σ = 15491798373493. Its totient is φ = 7150047688092.

The previous prime is 10725081356887. The next prime is 10725081356917. The reversal of 10725081356889 is 98865318052701.

The square root of 10725081356889 is 3274917.

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

10725081356889 is a `hidden beast` number, since 1 + 0 + 7 + 2 + 50 + 8 + 13 + 568 + 8 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 10725081356889 - 2¹ = 10725081356887 is a prime.

It is a super-2 number, since 2×10725081356889² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10725081356887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9278932 + ... + 10370570.

Almost surely, 2^{10725081356889} is an apocalyptic number.

10725081356889 is the 3274917-th square number.

10725081356889 is the 1637459-th centered octagonal number.

It is an amenable number.

10725081356889 is a deficient number, since it is larger than the sum of its proper divisors (4766717016604).

10725081356889 is an frugal number, since it uses more digits than its factorization.

10725081356889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183284 (or 1091642 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 63.

The spelling of 10725081356889 in words is "ten trillion, seven hundred twenty-five billion, eighty-one million, three hundred fifty-six thousand, eight hundred eighty-nine".