304135401155121 has 12 divisors (see below), whose sum is σ = 439311380164020. Its totient is φ = 202754769669600.

The previous prime is 304135401155111. The next prime is 304135401155123. The reversal of 304135401155121 is 121551104531403.

304135401155121 is a `hidden beast` number, since 3 + 0 + 4 + 1 + 35 + 40 + 11 + 551 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 283772925404721 + 20362475750400 = 16845561^2 + 4512480^2 .

It is not a de Polignac number, because 304135401155121 - 2⁷ = 304135401154993 is a prime.

It is a super-2 number, since 2×304135401155121² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (304135401155123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179479326 + ... + 181165943.

It is an arithmetic number, because the mean of its divisors is an integer number (36609281680335).

Almost surely, 2^{304135401155121} is an apocalyptic number.

It is an amenable number.

304135401155121 is a deficient number, since it is larger than the sum of its proper divisors (135175979008899).

304135401155121 is a wasteful number, since it uses less digits than its factorization.

304135401155121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360738976 (or 360738973 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 304135401155121 its reverse (121551104531403), we get a palindrome (425686505686524).

The spelling of 304135401155121 in words is "three hundred four trillion, one hundred thirty-five billion, four hundred one million, one hundred fifty-five thousand, one hundred twenty-one".