78565136571130 has 128 divisors (see below), whose sum is σ = 164157562552320. Its totient is φ = 26801049312000.

The previous prime is 78565136571121. The next prime is 78565136571149. The reversal of 78565136571130 is 3117563156587.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33043191 + ... + 35340949.

It is an arithmetic number, because the mean of its divisors is an integer number (1282480957440).

Almost surely, 2^{78565136571130} is an apocalyptic number.

78565136571130 is an abundant number, since it is smaller than the sum of its proper divisors (85592425981190).

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

78565136571130 is a wasteful number, since it uses less digits than its factorization.

78565136571130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298116.

The product of its (nonzero) digits is 15876000, while the sum is 58.

The spelling of 78565136571130 in words is "seventy-eight trillion, five hundred sixty-five billion, one hundred thirty-six million, five hundred seventy-one thousand, one hundred thirty".