655155964271 has 2 divisors, whose sum is σ = 655155964272. Its totient is φ = 655155964270.

The previous prime is 655155964223. The next prime is 655155964297. The reversal of 655155964271 is 172469551556.

655155964271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 655155964271 - 2¹⁰ = 655155963247 is a prime.

It is a super-2 number, since 2×655155964271² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655155964471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327577982135 + 327577982136.

It is an arithmetic number, because the mean of its divisors is an integer number (327577982136).

Almost surely, 2^655155964271 is an apocalyptic number.

655155964271 is a deficient number, since it is larger than the sum of its proper divisors (1).

655155964271 is an equidigital number, since it uses as much as digits as its factorization.

655155964271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340000, while the sum is 56.

The spelling of 655155964271 in words is "six hundred fifty-five billion, one hundred fifty-five million, nine hundred sixty-four thousand, two hundred seventy-one".