65657112211104 has 48 divisors (see below), whose sum is σ = 172359701605728. Its totient is φ = 21884461905152.

The previous prime is 65657112211099. The next prime is 65657112211121. The reversal of 65657112211104 is 40111221175656.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17707827 + ... + 21092210.

It is an arithmetic number, because the mean of its divisors is an integer number (3590827116786).

Almost surely, 2^{65657112211104} is an apocalyptic number.

It is an amenable number.

65657112211104 is an abundant number, since it is smaller than the sum of its proper divisors (106702589394624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65657112211104 is a wasteful number, since it uses less digits than its factorization.

65657112211104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38817677 (or 38817669 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 42.

The spelling of 65657112211104 in words is "sixty-five trillion, six hundred fifty-seven billion, one hundred twelve million, two hundred eleven thousand, one hundred four".