6305135121 has 16 divisors (see below), whose sum is σ = 9437243200. Its totient is φ = 4160087424.

The previous prime is 6305135119. The next prime is 6305135141. The reversal of 6305135121 is 1215315036.

6305135121 is a `hidden beast` number, since 6 + 305 + 1 + 351 + 2 + 1 = 666.

It is not a de Polignac number, because 6305135121 - 2¹ = 6305135119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6305135141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201111 + ... + 1206348.

It is an arithmetic number, because the mean of its divisors is an integer number (589827700).

Almost surely, 2^6305135121 is an apocalyptic number.

It is an amenable number.

6305135121 is a deficient number, since it is larger than the sum of its proper divisors (3132108079).

6305135121 is a wasteful number, since it uses less digits than its factorization.

6305135121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407565 (or 2407559 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 6305135121 is about 79404.8809645855. The cubic root of 6305135121 is about 1847.4164200273.

The spelling of 6305135121 in words is "six billion, three hundred five million, one hundred thirty-five thousand, one hundred twenty-one".