13072711227081 has 12 divisors (see below), whose sum is σ = 19158904608816. Its totient is φ = 7922855288920.

The previous prime is 13072711227073. The next prime is 13072711227139. The reversal of 13072711227081 is 18072211727031.

It is a happy number.

It is not a de Polignac number, because 13072711227081 - 2³ = 13072711227073 is a prime.

It is a super-2 number, since 2×13072711227081² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13072711227061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18006488931 + ... + 18006489656.

It is an arithmetic number, because the mean of its divisors is an integer number (1596575384068).

Almost surely, 2^{13072711227081} is an apocalyptic number.

13072711227081 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13072711227081 is a deficient number, since it is larger than the sum of its proper divisors (6086193381735).

13072711227081 is a wasteful number, since it uses less digits than its factorization.

13072711227081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36012978612 (or 36012978601 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 42.

It can be divided in two parts, 1307271 and 1227081, that added together give a palindrome (2534352).

The spelling of 13072711227081 in words is "thirteen trillion, seventy-two billion, seven hundred eleven million, two hundred twenty-seven thousand, eighty-one".