11361689 has 4 divisors (see below), whose sum is σ = 11554320. Its totient is φ = 11169060.

The previous prime is 11361683. The next prime is 11361703. The reversal of 11361689 is 98616311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98616311 = 97 ⋅1016663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11361689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11361683) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96227 + ... + 96344.

It is an arithmetic number, because the mean of its divisors is an integer number (2888580).

Almost surely, 2^11361689 is an apocalyptic number.

It is an amenable number.

11361689 is a deficient number, since it is larger than the sum of its proper divisors (192631).

11361689 is an equidigital number, since it uses as much as digits as its factorization.

11361689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192630.

The product of its digits is 7776, while the sum is 35.

The square root of 11361689 is about 3370.7104592356. The cubic root of 11361689 is about 224.8093133365.

The spelling of 11361689 in words is "eleven million, three hundred sixty-one thousand, six hundred eighty-nine".