10915189 has 2 divisors, whose sum is σ = 10915190. Its totient is φ = 10915188.

The previous prime is 10915187. The next prime is 10915199. The reversal of 10915189 is 98151901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9199089 + 1716100 = 3033^2 + 1310^2 .

It is a cyclic number.

It is not a de Polignac number, because 10915189 - 2¹ = 10915187 is a prime.

Together with 10915187, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10915187) by changing a digit.

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 as a sum of consecutive naturals, namely, 5457594 + 5457595.

It is an arithmetic number, because the mean of its divisors is an integer number (5457595).

Almost surely, 2^10915189 is an apocalyptic number.

It is an amenable number.

10915189 is a deficient number, since it is larger than the sum of its proper divisors (1).

10915189 is an equidigital number, since it uses as much as digits as its factorization.

10915189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 34.

The square root of 10915189 is about 3303.8143107626. The cubic root of 10915189 is about 221.8249641585.

The spelling of 10915189 in words is "ten million, nine hundred fifteen thousand, one hundred eighty-nine".