65112105204 has 48 divisors (see below), whose sum is σ = 168845140800. Its totient is φ = 21699409248.

The previous prime is 65112105131. The next prime is 65112105239. The reversal of 65112105204 is 40250121156.

65112105204 is a `hidden beast` number, since 651 + 1 + 2 + 1 + 0 + 5 + 2 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 464907 + ... + 588525.

It is an arithmetic number, because the mean of its divisors is an integer number (3517607100).

Almost surely, 2^65112105204 is an apocalyptic number.

It is an amenable number.

65112105204 is an abundant number, since it is smaller than the sum of its proper divisors (103733035596).

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

65112105204 is a wasteful number, since it uses less digits than its factorization.

65112105204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128509 (or 128501 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The spelling of 65112105204 in words is "sixty-five billion, one hundred twelve million, one hundred five thousand, two hundred four".