2100077125685 has 16 divisors (see below), whose sum is σ = 3141933570432. Its totient is φ = 1309138987200.

The previous prime is 2100077125579. The next prime is 2100077125697. The reversal of 2100077125685 is 5865217700012.

It is not a de Polignac number, because 2100077125685 - 2¹⁶ = 2100077060149 is a prime.

It is a Duffinian number.

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, 2727372506 + ... + 2727373275.

It is an arithmetic number, because the mean of its divisors is an integer number (196370848152).

Almost surely, 2^{2100077125685} is an apocalyptic number.

It is an amenable number.

2100077125685 is a deficient number, since it is larger than the sum of its proper divisors (1041856444747).

2100077125685 is a wasteful number, since it uses less digits than its factorization.

2100077125685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454745804.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 2100077125685 in words is "two trillion, one hundred billion, seventy-seven million, one hundred twenty-five thousand, six hundred eighty-five".