11481375 has 32 divisors (see below), whose sum is σ = 20240064. Its totient is φ = 5760000.

The previous prime is 11481343. The next prime is 11481383. The reversal of 11481375 is 57318411.

It is not a de Polignac number, because 11481375 - 2⁵ = 11481343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5475 + ... + 7275.

It is an arithmetic number, because the mean of its divisors is an integer number (632502).

Almost surely, 2^11481375 is an apocalyptic number.

11481375 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11481375 is a deficient number, since it is larger than the sum of its proper divisors (8758689).

11481375 is a wasteful number, since it uses less digits than its factorization.

11481375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836 (or 1826 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 11481375 is about 3388.4177723533. The cubic root of 11481375 is about 225.5959509924.

Adding to 11481375 its reverse (57318411), we get a palindrome (68799786).

The spelling of 11481375 in words is "eleven million, four hundred eighty-one thousand, three hundred seventy-five".