4688155121 has 8 divisors (see below), whose sum is σ = 5144043240. Its totient is φ = 4245875712.

The previous prime is 4688155117. The next prime is 4688155123. The reversal of 4688155121 is 1215518864.

It can be written as a sum of positive squares in 4 ways, for example, as 698896 + 4687456225 = 836^2 + 68465^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4688155121 - 2² = 4688155117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4688155123) 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 7 ways as a sum of consecutive naturals, for example, 3401456 + ... + 3402833.

It is an arithmetic number, because the mean of its divisors is an integer number (643005405).

Almost surely, 2^4688155121 is an apocalyptic number.

It is an amenable number.

4688155121 is a deficient number, since it is larger than the sum of its proper divisors (455888119).

4688155121 is a wasteful number, since it uses less digits than its factorization.

4688155121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804355.

The product of its digits is 76800, while the sum is 41.

The square root of 4688155121 is about 68470.1038483220. The cubic root of 4688155121 is about 1673.6603377218.

The spelling of 4688155121 in words is "four billion, six hundred eighty-eight million, one hundred fifty-five thousand, one hundred twenty-one".