42566601057 has 4 divisors (see below), whose sum is σ = 56755468080. Its totient is φ = 28377734036.

The previous prime is 42566601047. The next prime is 42566601059. The reversal of 42566601057 is 75010666524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42566601057 - 2¹⁴ = 42566584673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42566601059) 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 3 ways as a sum of consecutive naturals, for example, 7094433507 + ... + 7094433512.

It is an arithmetic number, because the mean of its divisors is an integer number (14188867020).

Almost surely, 2^42566601057 is an apocalyptic number.

It is an amenable number.

42566601057 is a deficient number, since it is larger than the sum of its proper divisors (14188867023).

42566601057 is a wasteful number, since it uses less digits than its factorization.

42566601057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14188867022.

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 42566601057 in words is "forty-two billion, five hundred sixty-six million, six hundred one thousand, fifty-seven".