10994571025 has 27 divisors (see below), whose sum is σ = 13884144561. Its totient is φ = 8636696640.

The previous prime is 10994571017. The next prime is 10994571157. The reversal of 10994571025 is 52017549901.

The square root of 10994571025 is 104855.

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 6176545281 + 4818025744 = 78591^2 + 69412^2 .

It is not a de Polignac number, because 10994571025 - 2³ = 10994571017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 35126269 + ... + 35126581.

Almost surely, 2^10994571025 is an apocalyptic number.

10994571025 is the 104855-th square number.

10994571025 is the 52428-th centered octagonal number.

It is an amenable number.

10994571025 is a deficient number, since it is larger than the sum of its proper divisors (2889573536).

10994571025 is an frugal number, since it uses more digits than its factorization.

10994571025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 43.

The spelling of 10994571025 in words is "ten billion, nine hundred ninety-four million, five hundred seventy-one thousand, twenty-five".