11553799 has 4 divisors (see below), whose sum is σ = 11822536. Its totient is φ = 11285064.

The previous prime is 11553779. The next prime is 11553809. The reversal of 11553799 is 99735511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99735511 = 1087 ⋅91753.

It is a cyclic number.

It is not a de Polignac number, because 11553799 - 2¹⁵ = 11521031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553709) 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, 134304 + ... + 134389.

It is an arithmetic number, because the mean of its divisors is an integer number (2955634).

Almost surely, 2^11553799 is an apocalyptic number.

11553799 is a deficient number, since it is larger than the sum of its proper divisors (268737).

11553799 is an equidigital number, since it uses as much as digits as its factorization.

11553799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268736.

The product of its digits is 42525, while the sum is 40.

The square root of 11553799 is about 3399.0879659109. The cubic root of 11553799 is about 226.0693068038.

The spelling of 11553799 in words is "eleven million, five hundred fifty-three thousand, seven hundred ninety-nine".