11452161 has 32 divisors (see below), whose sum is σ = 18321408. Its totient is φ = 6226560.

The previous prime is 11452153. The next prime is 11452171. The reversal of 11452161 is 16125411.

It is not a de Polignac number, because 11452161 - 2³ = 11452153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11452121) 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 31 ways as a sum of consecutive naturals, for example, 40326 + ... + 40608.

It is an arithmetic number, because the mean of its divisors is an integer number (572544).

Almost surely, 2^11452161 is an apocalyptic number.

It is an amenable number.

11452161 is a deficient number, since it is larger than the sum of its proper divisors (6869247).

11452161 is a wasteful number, since it uses less digits than its factorization.

11452161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381.

The product of its digits is 240, while the sum is 21.

The square root of 11452161 is about 3384.1041650635. The cubic root of 11452161 is about 225.4044478594.

Adding to 11452161 its reverse (16125411), we get a palindrome (27577572).

The spelling of 11452161 in words is "eleven million, four hundred fifty-two thousand, one hundred sixty-one".