2185321825126 has 32 divisors (see below), whose sum is σ = 3602479642272. Its totient is φ = 985969013760.

The previous prime is 2185321825121. The next prime is 2185321825163. The reversal of 2185321825126 is 6215281235812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2185321825121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31482730 + ... + 31552066.

It is an arithmetic number, because the mean of its divisors is an integer number (112577488821).

Almost surely, 2^{2185321825126} is an apocalyptic number.

2185321825126 is a deficient number, since it is larger than the sum of its proper divisors (1417157817146).

2185321825126 is a wasteful number, since it uses less digits than its factorization.

2185321825126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79944.

The product of its digits is 460800, while the sum is 46.

The spelling of 2185321825126 in words is "two trillion, one hundred eighty-five billion, three hundred twenty-one million, eight hundred twenty-five thousand, one hundred twenty-six".