6113440261 has 8 divisors (see below), whose sum is σ = 6561727704. Its totient is φ = 5675005440.

The previous prime is 6113440243. The next prime is 6113440271. The reversal of 6113440261 is 1620443116.

It can be written as a sum of positive squares in 4 ways, for example, as 1705277025 + 4408163236 = 41295^2 + 66394^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6113440261 - 2¹⁵ = 6113407493 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 (6113440231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2461870 + ... + 2464351.

It is an arithmetic number, because the mean of its divisors is an integer number (820215963).

Almost surely, 2^6113440261 is an apocalyptic number.

It is an amenable number.

6113440261 is a deficient number, since it is larger than the sum of its proper divisors (448287443).

6113440261 is a wasteful number, since it uses less digits than its factorization.

6113440261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4926311.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 6113440261 is about 78188.4918706071. The cubic root of 6113440261 is about 1828.5010928823.

Adding to 6113440261 its reverse (1620443116), we get a palindrome (7733883377).

The spelling of 6113440261 in words is "six billion, one hundred thirteen million, four hundred forty thousand, two hundred sixty-one".