11489615 has 4 divisors (see below), whose sum is σ = 13787544. Its totient is φ = 9191688.

The previous prime is 11489609. The next prime is 11489641. The reversal of 11489615 is 51698411.

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

It is a cyclic number.

It is not a de Polignac number, because 11489615 - 2¹⁰ = 11488591 is a prime.

It is a super-2 number, since 2×11489615² = 264022505696450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148957 + ... + 1148966.

It is an arithmetic number, because the mean of its divisors is an integer number (3446886).

Almost surely, 2^11489615 is an apocalyptic number.

11489615 is a deficient number, since it is larger than the sum of its proper divisors (2297929).

11489615 is an equidigital number, since it uses as much as digits as its factorization.

11489615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297928.

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

The square root of 11489615 is about 3389.6334610102. The cubic root of 11489615 is about 225.6499069605.

The spelling of 11489615 in words is "eleven million, four hundred eighty-nine thousand, six hundred fifteen".