10989748225 has 6 divisors (see below), whose sum is σ = 13627287830. Its totient is φ = 8791798560.

The previous prime is 10989748207. The next prime is 10989748229. The reversal of 10989748225 is 52284798901.

It is a Cunningham number, because it is equal to 104832²+1.

It can be written as a sum of positive squares in 3 ways, for example, as 1 + 10989748224 = 1^2 + 104832^2 .

It is not a de Polignac number, because 10989748225 - 2²⁵ = 10956193793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10989748229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 219794940 + ... + 219794989.

Almost surely, 2^10989748225 is an apocalyptic number.

It is an amenable number.

10989748225 is a deficient number, since it is larger than the sum of its proper divisors (2637539605).

10989748225 is an equidigital number, since it uses as much as digits as its factorization.

10989748225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439589939 (or 439589934 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 10989748225 in words is "ten billion, nine hundred eighty-nine million, seven hundred forty-eight thousand, two hundred twenty-five".