2125861602877 has 32 divisors (see below), whose sum is σ = 2389479523200. Its totient is φ = 1882614988800.

The previous prime is 2125861602863. The next prime is 2125861602901. The reversal of 2125861602877 is 7782061685212.

It is a cyclic number.

It is not a de Polignac number, because 2125861602877 - 2¹¹ = 2125861600829 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 (2125861602577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2600253 + ... + 3318589.

It is an arithmetic number, because the mean of its divisors is an integer number (74671235100).

Almost surely, 2^{2125861602877} is an apocalyptic number.

It is an amenable number.

2125861602877 is a deficient number, since it is larger than the sum of its proper divisors (263617920323).

2125861602877 is a wasteful number, since it uses less digits than its factorization.

2125861602877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718557.

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 2125861602877 in words is "two trillion, one hundred twenty-five billion, eight hundred sixty-one million, six hundred two thousand, eight hundred seventy-seven".