65100245056665 has 64 divisors (see below), whose sum is σ = 128411426304000. Its totient is φ = 27425011071744.

The previous prime is 65100245056619. The next prime is 65100245056687. The reversal of 65100245056665 is 56665054200156.

It is not a de Polignac number, because 65100245056665 - 2¹⁶ = 65100244991129 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 38992455 + ... + 40627724.

It is an arithmetic number, because the mean of its divisors is an integer number (2006428536000).

Almost surely, 2^{65100245056665} is an apocalyptic number.

65100245056665 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

65100245056665 is a deficient number, since it is larger than the sum of its proper divisors (63311181247335).

65100245056665 is a wasteful number, since it uses less digits than its factorization.

65100245056665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79620806.

The product of its (nonzero) digits is 6480000, while the sum is 51.

The spelling of 65100245056665 in words is "sixty-five trillion, one hundred billion, two hundred forty-five million, fifty-six thousand, six hundred sixty-five".