11880550 has 24 divisors (see below), whose sum is σ = 24107832. Its totient is φ = 4320000.

The previous prime is 11880527. The next prime is 11880559. The reversal of 11880550 is 5508811.

It is a super-2 number, since 2×11880550² = 282294936605000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11880559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10251 + ... + 11350.

It is an arithmetic number, because the mean of its divisors is an integer number (1004493).

Almost surely, 2^11880550 is an apocalyptic number.

11880550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11880550 is an abundant number, since it is smaller than the sum of its proper divisors (12227282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11880550 is a wasteful number, since it uses less digits than its factorization.

11880550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21624 (or 21619 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 11880550 is about 3446.8173725917. The cubic root of 11880550 is about 228.1806688436.

The spelling of 11880550 in words is "eleven million, eight hundred eighty thousand, five hundred fifty".