13105115552 has 24 divisors (see below), whose sum is σ = 25803455076. Its totient is φ = 6551857152.

The previous prime is 13105115531. The next prime is 13105115557. The reversal of 13105115552 is 25551150131.

It can be written as a sum of positive squares in 2 ways, for example, as 8874393616 + 4230721936 = 94204^2 + 65044^2 .

It is not an unprimeable number, because it can be changed into a prime (13105115557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418058 + ... + 448310.

Almost surely, 2^13105115552 is an apocalyptic number.

It is an amenable number.

13105115552 is a deficient number, since it is larger than the sum of its proper divisors (12698339524).

13105115552 is a wasteful number, since it uses less digits than its factorization.

13105115552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43800 (or 43792 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 13105115552 its reverse (25551150131), we get a palindrome (38656265683).

The spelling of 13105115552 in words is "thirteen billion, one hundred five million, one hundred fifteen thousand, five hundred fifty-two".