11481810 has 16 divisors (see below), whose sum is σ = 27556416. Its totient is φ = 3061808.

The previous prime is 11481797. The next prime is 11481829. The reversal of 11481810 is 1818411.

It is a super-2 number, since 2×11481810² = 263663921752200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191334 + ... + 191393.

It is an arithmetic number, because the mean of its divisors is an integer number (1722276).

Almost surely, 2^11481810 is an apocalyptic number.

11481810 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11481810 is an abundant number, since it is smaller than the sum of its proper divisors (16074606).

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

11481810 is a wasteful number, since it uses less digits than its factorization.

11481810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382737.

The product of its (nonzero) digits is 256, while the sum is 24.

The square root of 11481810 is about 3388.4819609967. The cubic root of 11481810 is about 225.5988000414.

The spelling of 11481810 in words is "eleven million, four hundred eighty-one thousand, eight hundred ten".