11880049 has 4 divisors (see below), whose sum is σ = 12132864. Its totient is φ = 11627236.

The previous prime is 11880047. The next prime is 11880061. The reversal of 11880049 is 94008811.

11880049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 11880049 - 2¹ = 11880047 is a prime.

It is a super-2 number, since 2×11880049² = 282271128484802, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11880049.

It is not an unprimeable number, because it can be changed into a prime (11880041) 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, 126337 + ... + 126430.

It is an arithmetic number, because the mean of its divisors is an integer number (3033216).

Almost surely, 2^11880049 is an apocalyptic number.

It is an amenable number.

11880049 is a deficient number, since it is larger than the sum of its proper divisors (252815).

11880049 is an equidigital number, since it uses as much as digits as its factorization.

11880049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252814.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11880049 is about 3446.7446960864. The cubic root of 11880049 is about 228.1774613568.

The spelling of 11880049 in words is "eleven million, eight hundred eighty thousand, forty-nine".