7057845530557 has 8 divisors (see below), whose sum is σ = 7110465939000. Its totient is φ = 7005241112064.

The previous prime is 7057845530501. The next prime is 7057845530569. The reversal of 7057845530557 is 7550355487507.

It can be written as a sum of positive squares in 4 ways, for example, as 5330437383076 + 1727408147481 = 2308774^2 + 1314309^2 .

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 7057845530557 - 2¹¹ = 7057845528509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7057845530495 and 7057845530504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7057845534557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3110682 + ... + 4877707.

It is an arithmetic number, because the mean of its divisors is an integer number (888808242375).

Almost surely, 2^{7057845530557} is an apocalyptic number.

It is an amenable number.

7057845530557 is a deficient number, since it is larger than the sum of its proper divisors (52620408443).

7057845530557 is a wasteful number, since it uses less digits than its factorization.

7057845530557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7994975.

The product of its (nonzero) digits is 102900000, while the sum is 61.

The spelling of 7057845530557 in words is "seven trillion, fifty-seven billion, eight hundred forty-five million, five hundred thirty thousand, five hundred fifty-seven".