10989152285 has 4 divisors (see below), whose sum is σ = 13186982748. Its totient is φ = 8791321824.

The previous prime is 10989152261. The next prime is 10989152311. The reversal of 10989152285 is 58225198901.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1412181241 + 9576971044 = 37579^2 + 97862^2 .

It is a cyclic number.

It is not a de Polignac number, because 10989152285 - 2²² = 10984957981 is a prime.

It is a super-2 number, since 2×10989152285² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1098915224 + ... + 1098915233.

It is an arithmetic number, because the mean of its divisors is an integer number (3296745687).

Almost surely, 2^10989152285 is an apocalyptic number.

It is an amenable number.

10989152285 is a deficient number, since it is larger than the sum of its proper divisors (2197830463).

10989152285 is an equidigital number, since it uses as much as digits as its factorization.

10989152285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2197830462.

The product of its (nonzero) digits is 518400, while the sum is 50.

The spelling of 10989152285 in words is "ten billion, nine hundred eighty-nine million, one hundred fifty-two thousand, two hundred eighty-five".