2112540565607 has 4 divisors (see below), whose sum is σ = 2204390155440. Its totient is φ = 2020690975776.

The previous prime is 2112540565501. The next prime is 2112540565613. The reversal of 2112540565607 is 7065650452112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112540565607 - 2¹⁰ = 2112540564583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112540565907) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45924794882 + ... + 45924794927.

It is an arithmetic number, because the mean of its divisors is an integer number (551097538860).

Almost surely, 2^{2112540565607} is an apocalyptic number.

2112540565607 is a deficient number, since it is larger than the sum of its proper divisors (91849589833).

2112540565607 is an equidigital number, since it uses as much as digits as its factorization.

2112540565607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91849589832.

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 2112540565607 in words is "two trillion, one hundred twelve billion, five hundred forty million, five hundred sixty-five thousand, six hundred seven".