4572144652561 has 16 divisors (see below), whose sum is σ = 4674114626688. Its totient is φ = 4470760777600.

The previous prime is 4572144652529. The next prime is 4572144652601. The reversal of 4572144652561 is 1652564412754.

It is a cyclic number.

It is not a de Polignac number, because 4572144652561 - 2⁵ = 4572144652529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4572144652499 and 4572144652508.

It is not an unprimeable number, because it can be changed into a prime (4572144652511) 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, 130313541 + ... + 130348621.

It is an arithmetic number, because the mean of its divisors is an integer number (292132164168).

Almost surely, 2^{4572144652561} is an apocalyptic number.

It is an amenable number.

4572144652561 is a deficient number, since it is larger than the sum of its proper divisors (101969974127).

4572144652561 is a wasteful number, since it uses less digits than its factorization.

4572144652561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43352.

The product of its digits is 8064000, while the sum is 52.

The spelling of 4572144652561 in words is "four trillion, five hundred seventy-two billion, one hundred forty-four million, six hundred fifty-two thousand, five hundred sixty-one".