11880558 has 24 divisors (see below), whose sum is σ = 26861328. Its totient is φ = 3787872.

The previous prime is 11880527. The next prime is 11880559. The reversal of 11880558 is 85508811.

11880558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×11880558³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

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 polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13935 + ... + 14762.

It is an arithmetic number, because the mean of its divisors is an integer number (1119222).

Almost surely, 2^11880558 is an apocalyptic number.

11880558 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11880558 is an abundant number, since it is smaller than the sum of its proper divisors (14980770).

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

11880558 is a wasteful number, since it uses less digits than its factorization.

11880558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28728 (or 28725 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 36.

The square root of 11880558 is about 3446.8185330824. The cubic root of 11880558 is about 228.1807200602.

The spelling of 11880558 in words is "eleven million, eight hundred eighty thousand, five hundred fifty-eight".