5561144475 has 24 divisors (see below), whose sum is σ = 9204053760. Its totient is φ = 2962837920.

The previous prime is 5561144471. The next prime is 5561144489. The reversal of 5561144475 is 5744411655.

It is not a de Polignac number, because 5561144475 - 2² = 5561144471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5561144471) 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 23 ways as a sum of consecutive naturals, for example, 34186 + ... + 110864.

It is an arithmetic number, because the mean of its divisors is an integer number (383502240).

Almost surely, 2^5561144475 is an apocalyptic number.

5561144475 is a deficient number, since it is larger than the sum of its proper divisors (3642909285).

5561144475 is a wasteful number, since it uses less digits than its factorization.

5561144475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77659 (or 77654 counting only the distinct ones).

The product of its digits is 336000, while the sum is 42.

The square root of 5561144475 is about 74573.0814369367. The cubic root of 5561144475 is about 1771.6913275702.

The spelling of 5561144475 in words is "five billion, five hundred sixty-one million, one hundred forty-four thousand, four hundred seventy-five".