4111661133 has 12 divisors (see below), whose sum is σ = 5950051068. Its totient is φ = 2736037440.

The previous prime is 4111661129. The next prime is 4111661143. The reversal of 4111661133 is 3311661114.

4111661133 is a `hidden beast` number, since 4 + 1 + 1 + 16 + 611 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2319578244 + 1792082889 = 48162^2 + 42333^2 .

It is not a de Polignac number, because 4111661133 - 2² = 4111661129 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4111661097 and 4111661106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4111661143) 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 11 ways as a sum of consecutive naturals, for example, 417360 + ... + 427097.

It is an arithmetic number, because the mean of its divisors is an integer number (495837589).

Almost surely, 2^4111661133 is an apocalyptic number.

It is an amenable number.

4111661133 is a deficient number, since it is larger than the sum of its proper divisors (1838389935).

4111661133 is a wasteful number, since it uses less digits than its factorization.

4111661133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845004 (or 845001 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 4111661133 is about 64122.2358702502. The cubic root of 4111661133 is about 1602.0366165468.

The spelling of 4111661133 in words is "four billion, one hundred eleven million, six hundred sixty-one thousand, one hundred thirty-three".