10531385179722 has 192 divisors, whose sum is σ = 26640388494720. Its totient is φ = 2971352678400.

The previous prime is 10531385179699. The next prime is 10531385179723. The reversal of 10531385179722 is 22797158313501.

10531385179722 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 1 + 38 + 517 + 97 + 2 + 2 = 666.

10531385179722 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10531385179722² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10531385179723) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 235890522 + ... + 235935162.

It is an arithmetic number, because the mean of its divisors is an integer number (138752023410).

Almost surely, 2^{10531385179722} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10531385179722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13320194247360).

10531385179722 is an abundant number, since it is smaller than the sum of its proper divisors (16109003314998).

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

10531385179722 is a wasteful number, since it uses less digits than its factorization.

10531385179722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45429 (or 45426 counting only the distinct ones).

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

The spelling of 10531385179722 in words is "ten trillion, five hundred thirty-one billion, three hundred eighty-five million, one hundred seventy-nine thousand, seven hundred twenty-two".