10726431181 has 4 divisors (see below), whose sum is σ = 10726789500. Its totient is φ = 10726072864.

The previous prime is 10726431167. The next prime is 10726431187. The reversal of 10726431181 is 18113462701.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2933955556 + 7792475625 = 54166^2 + 88275^2 .

It is a cyclic number.

It is not a de Polignac number, because 10726431181 - 2¹³ = 10726422989 is a prime.

It is a super-2 number, since 2×10726431181² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10726431187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129706 + ... + 195643.

It is an arithmetic number, because the mean of its divisors is an integer number (2681697375).

Almost surely, 2^10726431181 is an apocalyptic number.

It is an amenable number.

10726431181 is a deficient number, since it is larger than the sum of its proper divisors (358319).

10726431181 is an equidigital number, since it uses as much as digits as its factorization.

10726431181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358318.

The product of its (nonzero) digits is 8064, while the sum is 34.

Adding to 10726431181 its reverse (18113462701), we get a palindrome (28839893882).

The spelling of 10726431181 in words is "ten billion, seven hundred twenty-six million, four hundred thirty-one thousand, one hundred eighty-one".