655550505101 has 2 divisors, whose sum is σ = 655550505102. Its totient is φ = 655550505100.

The previous prime is 655550505083. The next prime is 655550505119. The reversal of 655550505101 is 101505055556.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (655550505083) and next prime (655550505119).

It can be written as a sum of positive squares in only one way, i.e., 654950304100 + 600201001 = 809290^2 + 24499^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-655550505101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (655550505121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327775252550 + 327775252551.

It is an arithmetic number, because the mean of its divisors is an integer number (327775252551).

Almost surely, 2^655550505101 is an apocalyptic number.

It is an amenable number.

655550505101 is a deficient number, since it is larger than the sum of its proper divisors (1).

655550505101 is an equidigital number, since it uses as much as digits as its factorization.

655550505101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 655550505101 in words is "six hundred fifty-five billion, five hundred fifty million, five hundred five thousand, one hundred one".