65217105051057 has 48 divisors (see below), whose sum is σ = 101205282701952. Its totient is φ = 40321602424320.

The previous prime is 65217105051053. The next prime is 65217105051107. The reversal of 65217105051057 is 75015050171256.

65217105051057 is a `hidden beast` number, since 6 + 5 + 21 + 7 + 10 + 50 + 510 + 57 = 666.

It is not a de Polignac number, because 65217105051057 - 2² = 65217105051053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65217105051053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17732383 + ... + 21091979.

It is an arithmetic number, because the mean of its divisors is an integer number (2108443389624).

Almost surely, 2^{65217105051057} is an apocalyptic number.

It is an amenable number.

65217105051057 is a deficient number, since it is larger than the sum of its proper divisors (35988177650895).

65217105051057 is a wasteful number, since it uses less digits than its factorization.

65217105051057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3361478 (or 3361475 counting only the distinct ones).

The product of its (nonzero) digits is 367500, while the sum is 45.

The spelling of 65217105051057 in words is "sixty-five trillion, two hundred seventeen billion, one hundred five million, fifty-one thousand, fifty-seven".