2112540565606 has 4 divisors (see below), whose sum is σ = 3168810848412. Its totient is φ = 1056270282802.

The previous prime is 2112540565501. The next prime is 2112540565613. The reversal of 2112540565606 is 6065650452112.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528135141400 + ... + 528135141403.

It is an arithmetic number, because the mean of its divisors is an integer number (792202712103).

Almost surely, 2^{2112540565606} is an apocalyptic number.

2112540565606 is a deficient number, since it is larger than the sum of its proper divisors (1056270282806).

2112540565606 is a wasteful number, since it uses less digits than its factorization.

2112540565606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056270282805.

The product of its (nonzero) digits is 432000, while the sum is 43.

The spelling of 2112540565606 in words is "two trillion, one hundred twelve billion, five hundred forty million, five hundred sixty-five thousand, six hundred six".