10000404124181 has 2 divisors, whose sum is σ = 10000404124182. Its totient is φ = 10000404124180.

The previous prime is 10000404124157. The next prime is 10000404124189. The reversal of 10000404124181 is 18142140400001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9922758301681 + 77645822500 = 3150041^2 + 278650^2 .

It is a cyclic number.

It is not a de Polignac number, because 10000404124181 - 2³⁸ = 9725526217237 is a prime.

It is a super-2 number, since 2×10000404124181² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10000404124181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000404124189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000202062090 + 5000202062091.

It is an arithmetic number, because the mean of its divisors is an integer number (5000202062091).

Almost surely, 2^{10000404124181} is an apocalyptic number.

It is an amenable number.

10000404124181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000404124181 is an equidigital number, since it uses as much as digits as its factorization.

10000404124181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 26.

Adding to 10000404124181 its reverse (18142140400001), we get a palindrome (28142544524182).

The spelling of 10000404124181 in words is "ten trillion, four hundred four million, one hundred twenty-four thousand, one hundred eighty-one".