6552157918897 has 2 divisors, whose sum is σ = 6552157918898. Its totient is φ = 6552157918896.

The previous prime is 6552157918849. The next prime is 6552157918919. The reversal of 6552157918897 is 7988197512556.

6552157918897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6401502154161 + 150655764736 = 2530119^2 + 388144^2 .

It is a cyclic number.

It is not a de Polignac number, because 6552157918897 - 2³⁵ = 6517798180529 is a prime.

It is not a weakly prime, because it can be changed into another prime (6552157918837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3276078959448 + 3276078959449.

It is an arithmetic number, because the mean of its divisors is an integer number (3276078959449).

Almost surely, 2^{6552157918897} is an apocalyptic number.

It is an amenable number.

6552157918897 is a deficient number, since it is larger than the sum of its proper divisors (1).

6552157918897 is an equidigital number, since it uses as much as digits as its factorization.

6552157918897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024000, while the sum is 73.

The spelling of 6552157918897 in words is "six trillion, five hundred fifty-two billion, one hundred fifty-seven million, nine hundred eighteen thousand, eight hundred ninety-seven".