10205661325 has 12 divisors (see below), whose sum is σ = 12807492768. Its totient is φ = 8066159600.

The previous prime is 10205661233. The next prime is 10205661343. The reversal of 10205661325 is 52316650201.

It is not a de Polignac number, because 10205661325 - 2¹⁹ = 10205137037 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 11 ways as a sum of consecutive naturals, for example, 2457121 + ... + 2461270.

It is an arithmetic number, because the mean of its divisors is an integer number (1067291064).

Almost surely, 2^10205661325 is an apocalyptic number.

It is an amenable number.

10205661325 is a deficient number, since it is larger than the sum of its proper divisors (2601831443).

10205661325 is an equidigital number, since it uses as much as digits as its factorization.

10205661325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918484 (or 4918479 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 10205661325 in words is "ten billion, two hundred five million, six hundred sixty-one thousand, three hundred twenty-five".