5515258677373 has 2 divisors, whose sum is σ = 5515258677374. Its totient is φ = 5515258677372.

The previous prime is 5515258677343. The next prime is 5515258677421. The reversal of 5515258677373 is 3737768525155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5508845550649 + 6413126724 = 2347093^2 + 80082^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515258677373 - 2²¹ = 5515256580221 is a prime.

It is a super-2 number, since 2×5515258677373² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5515258677343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2757629338686 + 2757629338687.

It is an arithmetic number, because the mean of its divisors is an integer number (2757629338687).

Almost surely, 2^{5515258677373} is an apocalyptic number.

It is an amenable number.

5515258677373 is a deficient number, since it is larger than the sum of its proper divisors (1).

5515258677373 is an equidigital number, since it uses as much as digits as its factorization.

5515258677373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220000, while the sum is 64.

The spelling of 5515258677373 in words is "five trillion, five hundred fifteen billion, two hundred fifty-eight million, six hundred seventy-seven thousand, three hundred seventy-three".