655115115601 has 2 divisors, whose sum is σ = 655115115602. Its totient is φ = 655115115600.

The previous prime is 655115115581. The next prime is 655115115647. The reversal of 655115115601 is 106511511556.

655115115601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 500075265600 + 155039850001 = 707160^2 + 393751^2 .

It is a cyclic number.

It is not a de Polignac number, because 655115115601 - 2³⁵ = 620755377233 is a prime.

It is not a weakly prime, because it can be changed into another prime (655115125601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 327557557800 + 327557557801.

It is an arithmetic number, because the mean of its divisors is an integer number (327557557801).

Almost surely, 2^655115115601 is an apocalyptic number.

It is an amenable number.

655115115601 is a deficient number, since it is larger than the sum of its proper divisors (1).

655115115601 is an equidigital number, since it uses as much as digits as its factorization.

655115115601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22500, while the sum is 37.

The spelling of 655115115601 in words is "six hundred fifty-five billion, one hundred fifteen million, one hundred fifteen thousand, six hundred one".