2125566044436 has 48 divisors (see below), whose sum is σ = 4983365721600. Its totient is φ = 705136977120.

The previous prime is 2125566044419. The next prime is 2125566044449. The reversal of 2125566044436 is 6344406655212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7207521 + ... + 7496631.

It is an arithmetic number, because the mean of its divisors is an integer number (103820119200).

Almost surely, 2^{2125566044436} is an apocalyptic number.

It is an amenable number.

2125566044436 is an abundant number, since it is smaller than the sum of its proper divisors (2857799677164).

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

2125566044436 is a wasteful number, since it uses less digits than its factorization.

2125566044436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292044 (or 292042 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 48.

The spelling of 2125566044436 in words is "two trillion, one hundred twenty-five billion, five hundred sixty-six million, forty-four thousand, four hundred thirty-six".