11259661 has 16 divisors (see below), whose sum is σ = 13910400. Its totient is φ = 9078720.

The previous prime is 11259653. The next prime is 11259683. The reversal of 11259661 is 16695211.

It is not a de Polignac number, because 11259661 - 2³ = 11259653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11259601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4866 + ... + 6796.

It is an arithmetic number, because the mean of its divisors is an integer number (869400).

Almost surely, 2^11259661 is an apocalyptic number.

It is an amenable number.

11259661 is a deficient number, since it is larger than the sum of its proper divisors (2650739).

11259661 is an equidigital number, since it uses as much as digits as its factorization.

11259661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1969 (or 1955 counting only the distinct ones).

The product of its digits is 3240, while the sum is 31.

The square root of 11259661 is about 3355.5418340411. The cubic root of 11259661 is about 224.1343594966.

The spelling of 11259661 in words is "eleven million, two hundred fifty-nine thousand, six hundred sixty-one".