9771115238325 has 72 divisors (see below), whose sum is σ = 20742107434048. Its totient is φ = 4466795518080.

The previous prime is 9771115238243. The next prime is 9771115238329. The reversal of 9771115238325 is 5238325111779.

9771115238325 is a `hidden beast` number, since 9 + 7 + 7 + 1 + 11 + 523 + 83 + 25 = 666.

9771115238325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9771115238325 - 2¹² = 9771115234229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9771115238329) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 114844192 + ... + 114929241.

Almost surely, 2^{9771115238325} is an apocalyptic number.

It is an amenable number.

9771115238325 is an abundant number, since it is smaller than the sum of its proper divisors (10970992195723).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9771115238325 is a wasteful number, since it uses less digits than its factorization.

9771115238325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229773465 (or 229773448 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 54.

The spelling of 9771115238325 in words is "nine trillion, seven hundred seventy-one billion, one hundred fifteen million, two hundred thirty-eight thousand, three hundred twenty-five".