655015110123247 has 2 divisors, whose sum is σ = 655015110123248. Its totient is φ = 655015110123246.

The previous prime is 655015110123151. The next prime is 655015110123329. The reversal of 655015110123247 is 742321011510556.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655015110123247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655015110153247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327507555061623 + 327507555061624.

It is an arithmetic number, because the mean of its divisors is an integer number (327507555061624).

Almost surely, 2^{655015110123247} is an apocalyptic number.

655015110123247 is a deficient number, since it is larger than the sum of its proper divisors (1).

655015110123247 is an equidigital number, since it uses as much as digits as its factorization.

655015110123247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 655015110123247 in words is "six hundred fifty-five trillion, fifteen billion, one hundred ten million, one hundred twenty-three thousand, two hundred forty-seven".