10989545 has 8 divisors (see below), whose sum is σ = 15071424. Its totient is φ = 7535664.

The previous prime is 10989527. The next prime is 10989569. The reversal of 10989545 is 54598901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10989545 - 2¹⁶ = 10924009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156959 + ... + 157028.

It is an arithmetic number, because the mean of its divisors is an integer number (1883928).

Almost surely, 2^10989545 is an apocalyptic number.

It is an amenable number.

10989545 is a deficient number, since it is larger than the sum of its proper divisors (4081879).

10989545 is an equidigital number, since it uses as much as digits as its factorization.

10989545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313999.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 10989545 is about 3315.0482651087. The cubic root of 10989545 is about 222.3275269893.

The spelling of 10989545 in words is "ten million, nine hundred eighty-nine thousand, five hundred forty-five".