9905195125 has 64 divisors (see below), whose sum is σ = 14811084288. Its totient is φ = 6471360000.

The previous prime is 9905195107. The next prime is 9905195141. The reversal of 9905195125 is 5215915099.

9905195125 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9905195125 - 2⁵ = 9905195093 is a prime.

It is a super-2 number, since 2×9905195125² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1539415 + ... + 1545835.

It is an arithmetic number, because the mean of its divisors is an integer number (231423192).

Almost surely, 2^9905195125 is an apocalyptic number.

It is an amenable number.

9905195125 is a deficient number, since it is larger than the sum of its proper divisors (4905889163).

9905195125 is a wasteful number, since it uses less digits than its factorization.

9905195125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6527 (or 6517 counting only the distinct ones).

The product of its (nonzero) digits is 182250, while the sum is 46.

The square root of 9905195125 is about 99524.8467720498. The cubic root of 9905195125 is about 2147.6046967378.

The spelling of 9905195125 in words is "nine billion, nine hundred five million, one hundred ninety-five thousand, one hundred twenty-five".