65305974036121 has 48 divisors (see below), whose sum is σ = 82427820384000. Its totient is φ = 51281892571392.

The previous prime is 65305974036119. The next prime is 65305974036139. The reversal of 65305974036121 is 12163047950356.

It is not a de Polignac number, because 65305974036121 - 2¹ = 65305974036119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65305974036221) 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, 269846656 + ... + 270088558.

It is an arithmetic number, because the mean of its divisors is an integer number (1717246258000).

Almost surely, 2^{65305974036121} is an apocalyptic number.

It is an amenable number.

65305974036121 is a deficient number, since it is larger than the sum of its proper divisors (17121846347879).

65305974036121 is a wasteful number, since it uses less digits than its factorization.

65305974036121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245118 (or 245111 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 65305974036121 in words is "sixty-five trillion, three hundred five billion, nine hundred seventy-four million, thirty-six thousand, one hundred twenty-one".