10885374889 has 9 divisors (see below), whose sum is σ = 11004871269. Its totient is φ = 10767165600.

The previous prime is 10885374881. The next prime is 10885374901. The reversal of 10885374889 is 98847358801.

The square root of 10885374889 is 104333.

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

It can be written as a sum of positive squares in 4 ways, for example, as 9340256025 + 1545118864 = 96645^2 + 39308^2 .

It is not a de Polignac number, because 10885374889 - 2³ = 10885374881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10885374881) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 10537117 + ... + 10538149.

Almost surely, 2^10885374889 is an apocalyptic number.

10885374889 is the 104333-rd square number.

10885374889 is the 52167-th centered octagonal number.

It is an amenable number.

10885374889 is a deficient number, since it is larger than the sum of its proper divisors (119496380).

10885374889 is an frugal number, since it uses more digits than its factorization.

10885374889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 15482880, while the sum is 61.

The spelling of 10885374889 in words is "ten billion, eight hundred eighty-five million, three hundred seventy-four thousand, eight hundred eighty-nine".