13105515030452 has 24 divisors (see below), whose sum is σ = 25772718523776. Its totient is φ = 5785712320608.

The previous prime is 13105515030407. The next prime is 13105515030457. The reversal of 13105515030452 is 25403051550131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105515030457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5478893048 + ... + 5478895439.

It is an arithmetic number, because the mean of its divisors is an integer number (1073863271824).

Almost surely, 2^{13105515030452} is an apocalyptic number.

It is an amenable number.

13105515030452 is a deficient number, since it is larger than the sum of its proper divisors (12667203493324).

13105515030452 is a wasteful number, since it uses less digits than its factorization.

13105515030452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10957788527 (or 10957788525 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 35.

Adding to 13105515030452 its reverse (25403051550131), we get a palindrome (38508566580583).

The spelling of 13105515030452 in words is "thirteen trillion, one hundred five billion, five hundred fifteen million, thirty thousand, four hundred fifty-two".