4511151 has 48 divisors (see below), whose sum is σ = 7587840. Its totient is φ = 2566080.

The previous prime is 4511149. The next prime is 4511161. The reversal of 4511151 is 1511154.

It is a happy number.

4511151 is a `hidden beast` number, since 4 + 511 + 151 = 666.

It is not a de Polignac number, because 4511151 - 2¹ = 4511149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4511141) 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 47 ways as a sum of consecutive naturals, for example, 121905 + ... + 121941.

It is an arithmetic number, because the mean of its divisors is an integer number (158080).

Almost surely, 2^4511151 is an apocalyptic number.

4511151 is a deficient number, since it is larger than the sum of its proper divisors (3076689).

4511151 is a wasteful number, since it uses less digits than its factorization.

4511151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 113 counting only the distinct ones).

The product of its digits is 100, while the sum is 18.

The square root of 4511151 is about 2123.9470332379. The cubic root of 4511151 is about 165.2326195536.

The spelling of 4511151 in words is "four million, five hundred eleven thousand, one hundred fifty-one".