11498561 has 8 divisors (see below), whose sum is σ = 11749248. Its totient is φ = 11250000.

The previous prime is 11498537. The next prime is 11498593. The reversal of 11498561 is 16589411.

11498561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11498561 - 2¹⁸ = 11236417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11498161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14936 + ... + 15686.

It is an arithmetic number, because the mean of its divisors is an integer number (1468656).

Almost surely, 2^11498561 is an apocalyptic number.

It is an amenable number.

11498561 is a deficient number, since it is larger than the sum of its proper divisors (250687).

11498561 is an equidigital number, since it uses as much as digits as its factorization.

11498561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1063.

The product of its digits is 8640, while the sum is 35.

The square root of 11498561 is about 3390.9528159501. The cubic root of 11498561 is about 225.7084566558.

The spelling of 11498561 in words is "eleven million, four hundred ninety-eight thousand, five hundred sixty-one".