10001722125636 has 36 divisors (see below), whose sum is σ = 25628461496092. Its totient is φ = 3288237410304.

The previous prime is 10001722125589. The next prime is 10001722125641. The reversal of 10001722125636 is 63652122710001.

10001722125636 is a `hidden beast` number, since 1 + 0 + 0 + 0 + 1 + 7 + 2 + 2 + 12 + 5 + 636 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5518364774400 + 4483357351236 = 2349120^2 + 2117394^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 10001722125636.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1902912541 + ... + 1902917796.

Almost surely, 2^{10001722125636} is an apocalyptic number.

It is an amenable number.

10001722125636 is an abundant number, since it is smaller than the sum of its proper divisors (15626739370456).

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

10001722125636 is a wasteful number, since it uses less digits than its factorization.

10001722125636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3805830420 (or 3805830415 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

Adding to 10001722125636 its reverse (63652122710001), we get a palindrome (73653844835637).

The spelling of 10001722125636 in words is "ten trillion, one billion, seven hundred twenty-two million, one hundred twenty-five thousand, six hundred thirty-six".