4161161513511 has 32 divisors (see below), whose sum is σ = 6369463434240. Its totient is φ = 2683431223200.

The previous prime is 4161161513461. The next prime is 4161161513519. The reversal of 4161161513511 is 1153151611614.

4161161513511 is a `hidden beast` number, since 4 + 1 + 6 + 1 + 1 + 615 + 1 + 35 + 1 + 1 = 666.

4161161513511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4161161513511 - 2⁶ = 4161161513447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161161513519) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20376355 + ... + 20579556.

It is an arithmetic number, because the mean of its divisors is an integer number (199045732320).

Almost surely, 2^{4161161513511} is an apocalyptic number.

4161161513511 is a deficient number, since it is larger than the sum of its proper divisors (2208301920729).

4161161513511 is a wasteful number, since it uses less digits than its factorization.

4161161513511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40956044 (or 40956038 counting only the distinct ones).

The product of its digits is 10800, while the sum is 36.

The spelling of 4161161513511 in words is "four trillion, one hundred sixty-one billion, one hundred sixty-one million, five hundred thirteen thousand, five hundred eleven".