10548549109609 has 27 divisors (see below), whose sum is σ = 12828104616663. Its totient is φ = 8648071174512.

The previous prime is 10548549109601. The next prime is 10548549109619. The reversal of 10548549109609 is 90690194584501.

The square root of 10548549109609 is 3247853.

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., 10529732952025 + 18816157584 = 3244955^2 + 137172^2 .

It is not a de Polignac number, because 10548549109609 - 2³ = 10548549109601 is a prime.

It is a super-2 number, since 2×10548549109609² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10548549109601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 522894247 + ... + 522914419.

Almost surely, 2^{10548549109609} is an apocalyptic number.

10548549109609 is the 3247853-rd square number.

10548549109609 is the 1623927-th centered octagonal number.

It is an amenable number.

10548549109609 is a deficient number, since it is larger than the sum of its proper divisors (2279555507054).

10548549109609 is an frugal number, since it uses more digits than its factorization.

10548549109609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40406 (or 20203 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 61.

The spelling of 10548549109609 in words is "ten trillion, five hundred forty-eight billion, five hundred forty-nine million, one hundred nine thousand, six hundred nine".