13115626133005 has 12 divisors (see below), whose sum is σ = 17299619263836. Its totient is φ = 9538637187200.

The previous prime is 13115626132981. The next prime is 13115626133009. The reversal of 13115626133005 is 50033162651131.

It can be written as a sum of positive squares in 2 ways, for example, as 2459436291081 + 10656189841924 = 1568259^2 + 3264382^2 .

It is not a de Polignac number, because 13115626133005 - 2¹³ = 13115626124813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13115626133009) 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, 10839359836 + ... + 10839361045.

It is an arithmetic number, because the mean of its divisors is an integer number (1441634938653).

Almost surely, 2^{13115626133005} is an apocalyptic number.

It is an amenable number.

13115626133005 is a deficient number, since it is larger than the sum of its proper divisors (4183993130831).

13115626133005 is a wasteful number, since it uses less digits than its factorization.

13115626133005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21678720908 (or 21678720897 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 37.

Adding to 13115626133005 its reverse (50033162651131), we get a palindrome (63148788784136).

The spelling of 13115626133005 in words is "thirteen trillion, one hundred fifteen billion, six hundred twenty-six million, one hundred thirty-three thousand, five".