10993882516181 has 2 divisors, whose sum is σ = 10993882516182. Its totient is φ = 10993882516180.

The previous prime is 10993882516147. The next prime is 10993882516273. The reversal of 10993882516181 is 18161528839901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10830904789156 + 162977727025 = 3291034^2 + 403705^2 .

It is a cyclic number.

It is not a de Polignac number, because 10993882516181 - 2¹⁸ = 10993882254037 is a prime.

It is a super-2 number, since 2×10993882516181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10993882516121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5496941258090 + 5496941258091.

It is an arithmetic number, because the mean of its divisors is an integer number (5496941258091).

Almost surely, 2^{10993882516181} is an apocalyptic number.

It is an amenable number.

10993882516181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10993882516181 is an equidigital number, since it uses as much as digits as its factorization.

10993882516181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 62.

The spelling of 10993882516181 in words is "ten trillion, nine hundred ninety-three billion, eight hundred eighty-two million, five hundred sixteen thousand, one hundred eighty-one".