12655178363 has 2 divisors, whose sum is σ = 12655178364. Its totient is φ = 12655178362.

The previous prime is 12655178359. The next prime is 12655178383. The reversal of 12655178363 is 36387155621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12655178363 - 2² = 12655178359 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12655178383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6327589181 + 6327589182.

It is an arithmetic number, because the mean of its divisors is an integer number (6327589182).

Almost surely, 2^12655178363 is an apocalyptic number.

12655178363 is a deficient number, since it is larger than the sum of its proper divisors (1).

12655178363 is an equidigital number, since it uses as much as digits as its factorization.

12655178363 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The spelling of 12655178363 in words is "twelve billion, six hundred fifty-five million, one hundred seventy-eight thousand, three hundred sixty-three".