675405316110557 has 4 divisors (see below), whose sum is σ = 675433899879420. Its totient is φ = 675376732341696.

The previous prime is 675405316110433. The next prime is 675405316110599. The reversal of 675405316110557 is 755011613504576.

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 368990829029956 + 306414487080601 = 19209134^2 + 17504699^2 .

It is a cyclic number.

It is not a de Polignac number, because 675405316110557 - 2⁴⁸ = 393930339399901 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 (675405316130557) 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, 14291848988 + ... + 14291896245.

It is an arithmetic number, because the mean of its divisors is an integer number (168858474969855).

Almost surely, 2^{675405316110557} is an apocalyptic number.

It is an amenable number.

675405316110557 is a deficient number, since it is larger than the sum of its proper divisors (28583768863).

675405316110557 is a wasteful number, since it uses less digits than its factorization.

675405316110557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28583768862.

The product of its (nonzero) digits is 13230000, while the sum is 56.

The spelling of 675405316110557 in words is "six hundred seventy-five trillion, four hundred five billion, three hundred sixteen million, one hundred ten thousand, five hundred fifty-seven".