557012565517 has 4 divisors (see below), whose sum is σ = 559898641180. Its totient is φ = 554126489856.

The previous prime is 557012565511. The next prime is 557012565581. The reversal of 557012565517 is 715565210755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 373737818281 + 183274747236 = 611341^2 + 428106^2 .

It is a cyclic number.

It is not a de Polignac number, because 557012565517 - 2¹¹ = 557012563469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (557012565511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1443037542 + ... + 1443037927.

It is an arithmetic number, because the mean of its divisors is an integer number (139974660295).

Almost surely, 2^557012565517 is an apocalyptic number.

It is an amenable number.

557012565517 is a deficient number, since it is larger than the sum of its proper divisors (2886075663).

557012565517 is a wasteful number, since it uses less digits than its factorization.

557012565517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886075662.

The product of its (nonzero) digits is 1837500, while the sum is 49.

The spelling of 557012565517 in words is "five hundred fifty-seven billion, twelve million, five hundred sixty-five thousand, five hundred seventeen".