5065551671557 has 8 divisors (see below), whose sum is σ = 5511448766936. Its totient is φ = 4627688758272.

The previous prime is 5065551671527. The next prime is 5065551671569. The reversal of 5065551671557 is 7551761555605.

It can be written as a sum of positive squares in 4 ways, for example, as 607579716676 + 4457971954881 = 779474^2 + 2111391^2 .

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 5065551671557 - 2²³ = 5065543282949 is a prime.

It is a super-3 number, since 3×5065551671557³ (a number of 39 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5065551671507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008544208 + ... + 2008546729.

It is an arithmetic number, because the mean of its divisors is an integer number (688931095867).

Almost surely, 2^{5065551671557} is an apocalyptic number.

It is an amenable number.

5065551671557 is a deficient number, since it is larger than the sum of its proper divisors (445897095379).

5065551671557 is a wasteful number, since it uses less digits than its factorization.

5065551671557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017091047.

The product of its (nonzero) digits is 27562500, while the sum is 58.

The spelling of 5065551671557 in words is "five trillion, sixty-five billion, five hundred fifty-one million, six hundred seventy-one thousand, five hundred fifty-seven".