65155256066115 has 12 divisors (see below), whose sum is σ = 112935777181344. Its totient is φ = 34749469901904.

The previous prime is 65155256066093. The next prime is 65155256066179. The reversal of 65155256066115 is 51166065255156.

65155256066115 is a `hidden beast` number, since 6 + 5 + 1 + 5 + 5 + 2 + 560 + 6 + 61 + 15 = 666.

It is not a de Polignac number, because 65155256066115 - 2⁴⁵ = 29970883977283 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723947289579 + ... + 723947289668.

It is an arithmetic number, because the mean of its divisors is an integer number (9411314765112).

Almost surely, 2^{65155256066115} is an apocalyptic number.

65155256066115 is a deficient number, since it is larger than the sum of its proper divisors (47780521115229).

65155256066115 is a wasteful number, since it uses less digits than its factorization.

65155256066115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447894579258 (or 1447894579255 counting only the distinct ones).

The product of its (nonzero) digits is 8100000, while the sum is 54.

The spelling of 65155256066115 in words is "sixty-five trillion, one hundred fifty-five billion, two hundred fifty-six million, sixty-six thousand, one hundred fifteen".