65118121343848 has 64 divisors (see below), whose sum is σ = 122753178501120. Its totient is φ = 32384460312000.

The previous prime is 65118121343837. The next prime is 65118121343903. The reversal of 65118121343848 is 84834312181156.

It is a super-2 number, since 2×65118121343848² (a number of 28 digits) contains 22 as substring.

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, 5126193865 + ... + 5126206567.

It is an arithmetic number, because the mean of its divisors is an integer number (1918018414080).

Almost surely, 2^{65118121343848} is an apocalyptic number.

It is an amenable number.

65118121343848 is a deficient number, since it is larger than the sum of its proper divisors (57635057157272).

65118121343848 is a wasteful number, since it uses less digits than its factorization.

65118121343848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17558 (or 17554 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 55.

The spelling of 65118121343848 in words is "sixty-five trillion, one hundred eighteen billion, one hundred twenty-one million, three hundred forty-three thousand, eight hundred forty-eight".