11152481 has 4 divisors (see below), whose sum is σ = 11159232. Its totient is φ = 11145732.

The previous prime is 11152441. The next prime is 11152483. The reversal of 11152481 is 18425111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11152481 - 2⁶ = 11152417 is a prime.

It is a super-2 number, since 2×11152481² = 248755664910722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11152483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 956 + ... + 4818.

It is an arithmetic number, because the mean of its divisors is an integer number (2789808).

Almost surely, 2^11152481 is an apocalyptic number.

It is an amenable number.

11152481 is a deficient number, since it is larger than the sum of its proper divisors (6751).

11152481 is an equidigital number, since it uses as much as digits as its factorization.

11152481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6750.

The product of its digits is 320, while the sum is 23.

The square root of 11152481 is about 3339.5330511914. The cubic root of 11152481 is about 223.4209173570.

Adding to 11152481 its reverse (18425111), we get a palindrome (29577592).

The spelling of 11152481 in words is "eleven million, one hundred fifty-two thousand, four hundred eighty-one".