5561260143 has 16 divisors (see below), whose sum is σ = 7438625280. Its totient is φ = 3695719104.

The previous prime is 5561260121. The next prime is 5561260189. The reversal of 5561260143 is 3410621655.

It is not a de Polignac number, because 5561260143 - 2⁸ = 5561259887 is a prime.

It is a super-2 number, since 2×5561260143² = 61855228756240760898, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561260343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2247555 + ... + 2250027.

It is an arithmetic number, because the mean of its divisors is an integer number (464914080).

Almost surely, 2^5561260143 is an apocalyptic number.

5561260143 is a deficient number, since it is larger than the sum of its proper divisors (1877365137).

5561260143 is a wasteful number, since it uses less digits than its factorization.

5561260143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4558.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 5561260143 is about 74573.8569674387. The cubic root of 5561260143 is about 1771.7036108075.

Adding to 5561260143 its reverse (3410621655), we get a palindrome (8971881798).

The spelling of 5561260143 in words is "five billion, five hundred sixty-one million, two hundred sixty thousand, one hundred forty-three".