43572056201 has 2 divisors, whose sum is σ = 43572056202. Its totient is φ = 43572056200.

The previous prime is 43572056173. The next prime is 43572056237. The reversal of 43572056201 is 10265027534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42419521600 + 1152534601 = 205960^2 + 33949^2 .

It is a cyclic number.

It is not a de Polignac number, because 43572056201 - 2⁶ = 43572056137 is a prime.

It is not a weakly prime, because it can be changed into another prime (43572056401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21786028100 + 21786028101.

It is an arithmetic number, because the mean of its divisors is an integer number (21786028101).

Almost surely, 2^43572056201 is an apocalyptic number.

It is an amenable number.

43572056201 is a deficient number, since it is larger than the sum of its proper divisors (1).

43572056201 is an equidigital number, since it uses as much as digits as its factorization.

43572056201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 35.

The spelling of 43572056201 in words is "forty-three billion, five hundred seventy-two million, fifty-six thousand, two hundred one".