11481900 has 36 divisors (see below), whose sum is σ = 33221832. Its totient is φ = 3061760.

The previous prime is 11481893. The next prime is 11481901. The reversal of 11481900 is 918411.

It is a super-2 number, since 2×11481900² = 263668055220000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11481901) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 18837 + ... + 19436.

Almost surely, 2^11481900 is an apocalyptic number.

11481900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11481900 is an abundant number, since it is smaller than the sum of its proper divisors (21739932).

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

11481900 is a wasteful number, since it uses less digits than its factorization.

11481900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38290 (or 38283 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 11481900 is about 3388.4952412539. The cubic root of 11481900 is about 225.5993894908.

The spelling of 11481900 in words is "eleven million, four hundred eighty-one thousand, nine hundred".