4113537121 has 4 divisors (see below), whose sum is σ = 4113846292. Its totient is φ = 4113227952.

The previous prime is 4113537091. The next prime is 4113537133. The reversal of 4113537121 is 1217353114.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1217353114 = 2 ⋅608676557.

It can be written as a sum of positive squares in 2 ways, for example, as 2710660096 + 1402877025 = 52064^2 + 37455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4113537121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4113537121.

It is not an unprimeable number, because it can be changed into a prime (4113534121) 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 3 ways as a sum of consecutive naturals, for example, 133686 + ... + 161551.

It is an arithmetic number, because the mean of its divisors is an integer number (1028461573).

Almost surely, 2^4113537121 is an apocalyptic number.

It is an amenable number.

4113537121 is a deficient number, since it is larger than the sum of its proper divisors (309171).

4113537121 is a wasteful number, since it uses less digits than its factorization.

4113537121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309170.

The product of its digits is 2520, while the sum is 28.

The square root of 4113537121 is about 64136.8624193607. The cubic root of 4113537121 is about 1602.2802281030.

The spelling of 4113537121 in words is "four billion, one hundred thirteen million, five hundred thirty-seven thousand, one hundred twenty-one".