5611011061 has 4 divisors (see below), whose sum is σ = 5617780300. Its totient is φ = 5604241824.

The previous prime is 5611011053. The next prime is 5611011079. The reversal of 5611011061 is 1601101165.

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 2403940900 + 3207070161 = 49030^2 + 56631^2 .

It is a cyclic number.

It is not a de Polignac number, because 5611011061 - 2³ = 5611011053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611011001) 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, 3383376 + ... + 3385033.

It is an arithmetic number, because the mean of its divisors is an integer number (1404445075).

Almost surely, 2^5611011061 is an apocalyptic number.

It is an amenable number.

5611011061 is a deficient number, since it is larger than the sum of its proper divisors (6769239).

5611011061 is an equidigital number, since it uses as much as digits as its factorization.

5611011061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6769238.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 5611011061 is about 74906.6823521106. The cubic root of 5611011061 is about 1776.9711420835.

The spelling of 5611011061 in words is "five billion, six hundred eleven million, eleven thousand, sixty-one".