2102385722925 has 24 divisors (see below), whose sum is σ = 3480622743744. Its totient is φ = 1119763240960.

The previous prime is 2102385722923. The next prime is 2102385722947. The reversal of 2102385722925 is 5292275832012.

It is not a de Polignac number, because 2102385722925 - 2¹ = 2102385722923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102385722923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18808212 + ... + 18919661.

It is an arithmetic number, because the mean of its divisors is an integer number (145025947656).

Almost surely, 2^{2102385722925} is an apocalyptic number.

2102385722925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2102385722925 is a deficient number, since it is larger than the sum of its proper divisors (1378237020819).

2102385722925 is a wasteful number, since it uses less digits than its factorization.

2102385722925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37728629 (or 37728624 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The spelling of 2102385722925 in words is "two trillion, one hundred two billion, three hundred eighty-five million, seven hundred twenty-two thousand, nine hundred twenty-five".