3112540865500 has 72 divisors (see below), whose sum is σ = 7416081835344. Its totient is φ = 1131785464000.

The previous prime is 3112540865461. The next prime is 3112540865501. The reversal of 3112540865500 is 55680452113.

3112540865500 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112540865501) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130827606 + ... + 130851394.

It is an arithmetic number, because the mean of its divisors is an integer number (103001136602).

Almost surely, 2^{3112540865500} is an apocalyptic number.

It is an amenable number.

3112540865500 is an abundant number, since it is smaller than the sum of its proper divisors (4303540969844).

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

3112540865500 is an frugal number, since it uses more digits than its factorization.

3112540865500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47608 (or 23807 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 3112540865500 in words is "three trillion, one hundred twelve billion, five hundred forty million, eight hundred sixty-five thousand, five hundred".