4811657121 has 16 divisors (see below), whose sum is σ = 7167771520. Its totient is φ = 3190045680.

The previous prime is 4811657113. The next prime is 4811657141. The reversal of 4811657121 is 1217561184.

4811657121 is a `hidden beast` number, since 4 + 81 + 1 + 6 + 571 + 2 + 1 = 666.

4811657121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4811657121 - 2³ = 4811657113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4811657111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487405 + ... + 497178.

It is an arithmetic number, because the mean of its divisors is an integer number (447985720).

Almost surely, 2^4811657121 is an apocalyptic number.

It is an amenable number.

4811657121 is a deficient number, since it is larger than the sum of its proper divisors (2356114399).

4811657121 is a wasteful number, since it uses less digits than its factorization.

4811657121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984773 (or 984767 counting only the distinct ones).

The product of its digits is 13440, while the sum is 36.

The square root of 4811657121 is about 69366.1093113921. The cubic root of 4811657121 is about 1688.2297817334.

The spelling of 4811657121 in words is "four billion, eight hundred eleven million, six hundred fifty-seven thousand, one hundred twenty-one".