65505011215270 has 32 divisors (see below), whose sum is σ = 129180073669920. Its totient is φ = 23717772291840.

The previous prime is 65505011215169. The next prime is 65505011215289. The reversal of 65505011215270 is 7251211050556.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1277871585 + ... + 1277922844.

It is an arithmetic number, because the mean of its divisors is an integer number (4036877302185).

Almost surely, 2^{65505011215270} is an apocalyptic number.

65505011215270 is a deficient number, since it is larger than the sum of its proper divisors (63675062454650).

65505011215270 is a wasteful number, since it uses less digits than its factorization.

65505011215270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555794680.

The product of its (nonzero) digits is 105000, while the sum is 40.

The spelling of 65505011215270 in words is "sixty-five trillion, five hundred five billion, eleven million, two hundred fifteen thousand, two hundred seventy".