75012208865660 has 144 divisors (see below), whose sum is σ = 180079232795616. Its totient is φ = 26206044480000.

The previous prime is 75012208865641. The next prime is 75012208865683. The reversal of 75012208865660 is 6656880221057.

It is a junction number, because it is equal to n+sod(n) for n = 75012208865596 and 75012208865605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 439010 + ... + 12256310.

Almost surely, 2^{75012208865660} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75012208865660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90039616397808).

75012208865660 is an abundant number, since it is smaller than the sum of its proper divisors (105067023929956).

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

75012208865660 is a wasteful number, since it uses less digits than its factorization.

75012208865660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11817436 (or 11817423 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 56.

The spelling of 75012208865660 in words is "seventy-five trillion, twelve billion, two hundred eight million, eight hundred sixty-five thousand, six hundred sixty".