11516890 has 32 divisors (see below), whose sum is σ = 25847424. Its totient is φ = 3589440.

The previous prime is 11516887. The next prime is 11516891. The reversal of 11516890 is 9861511.

It is not an unprimeable number, because it can be changed into a prime (11516891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709 + ... + 8248.

It is an arithmetic number, because the mean of its divisors is an integer number (807732).

Almost surely, 2^11516890 is an apocalyptic number.

11516890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11516890 is an abundant number, since it is smaller than the sum of its proper divisors (14330534).

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

11516890 is a wasteful number, since it uses less digits than its factorization.

11516890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14982.

The product of its (nonzero) digits is 2160, while the sum is 31.

The square root of 11516890 is about 3393.6543725017. The cubic root of 11516890 is about 225.8283213380.

The spelling of 11516890 in words is "eleven million, five hundred sixteen thousand, eight hundred ninety".