5611050121 has 4 divisors (see below), whose sum is σ = 5747905044. Its totient is φ = 5474195200.

The previous prime is 5611050089. The next prime is 5611050149. The reversal of 5611050121 is 1210501165.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1255710096 + 4355340025 = 35436^2 + 65995^2 .

It is a cyclic number.

It is not a de Polignac number, because 5611050121 - 2⁵ = 5611050089 is a prime.

It is a super-2 number, since 2×5611050121² = 62967766920748229282, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5611050092 and 5611050101.

It is not an unprimeable number, because it can be changed into a prime (5611050191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68427400 + ... + 68427481.

It is an arithmetic number, because the mean of its divisors is an integer number (1436976261).

Almost surely, 2^5611050121 is an apocalyptic number.

It is an amenable number.

5611050121 is a deficient number, since it is larger than the sum of its proper divisors (136854923).

5611050121 is a wasteful number, since it uses less digits than its factorization.

5611050121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136854922.

The product of its (nonzero) digits is 300, while the sum is 22.

The square root of 5611050121 is about 74906.9430760594. The cubic root of 5611050121 is about 1776.9752654242.

Adding to 5611050121 its reverse (1210501165), we get a palindrome (6821551286).

The spelling of 5611050121 in words is "five billion, six hundred eleven million, fifty thousand, one hundred twenty-one".