4754563145561 has 8 divisors (see below), whose sum is σ = 5034281555304. Its totient is φ = 4474848983040.

The previous prime is 4754563145551. The next prime is 4754563145587. The reversal of 4754563145561 is 1655413654574.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10530659161 + 4744032486400 = 102619^2 + 2178080^2 .

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 4754563145561 - 2³⁰ = 4753489403737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4754563145497 and 4754563145506.

It is not an unprimeable number, because it can be changed into a prime (4754563145551) 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 7 ways as a sum of consecutive naturals, for example, 1406981 + ... + 3389501.

It is an arithmetic number, because the mean of its divisors is an integer number (629285194413).

Almost surely, 2^{4754563145561} is an apocalyptic number.

It is an amenable number.

4754563145561 is a deficient number, since it is larger than the sum of its proper divisors (279718409743).

4754563145561 is a wasteful number, since it uses less digits than its factorization.

4754563145561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123611.

The product of its digits is 30240000, while the sum is 56.

The spelling of 4754563145561 in words is "four trillion, seven hundred fifty-four billion, five hundred sixty-three million, one hundred forty-five thousand, five hundred sixty-one".