9751681125 has 192 divisors, whose sum is σ = 19574580480. Its totient is φ = 4828896000.

The previous prime is 9751681123. The next prime is 9751681133. The reversal of 9751681125 is 5211861579.

9751681125 is a `hidden beast` number, since 9 + 7 + 516 + 8 + 1 + 125 = 666.

9751681125 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 9751681125 - 2¹ = 9751681123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9751681123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 35204487 + ... + 35204763.

It is an arithmetic number, because the mean of its divisors is an integer number (101950940).

Almost surely, 2^9751681125 is an apocalyptic number.

9751681125 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9751681125 is an abundant number, since it is smaller than the sum of its proper divisors (9822899355).

9751681125 is a wasteful number, since it uses less digits than its factorization.

9751681125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 365 counting only the distinct ones).

The product of its digits is 151200, while the sum is 45.

The square root of 9751681125 is about 98750.6006310848. The cubic root of 9751681125 is about 2136.4521179521.

The spelling of 9751681125 in words is "nine billion, seven hundred fifty-one million, six hundred eighty-one thousand, one hundred twenty-five".