13105515030451 has 4 divisors (see below), whose sum is σ = 13119011957304. Its totient is φ = 13092018103600.

The previous prime is 13105515030407. The next prime is 13105515030457. The reversal of 13105515030451 is 15403051550131.

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

It is a cyclic number.

It is not a de Polignac number, because 13105515030451 - 2²⁷ = 13105380812723 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 6748461970 + ... + 6748463911.

It is an arithmetic number, because the mean of its divisors is an integer number (3279752989326).

Almost surely, 2^{13105515030451} is an apocalyptic number.

13105515030451 is a deficient number, since it is larger than the sum of its proper divisors (13496926853).

13105515030451 is an equidigital number, since it uses as much as digits as its factorization.

13105515030451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13496926852.

The product of its (nonzero) digits is 22500, while the sum is 34.

Adding to 13105515030451 its reverse (15403051550131), we get a palindrome (28508566580582).

The spelling of 13105515030451 in words is "thirteen trillion, one hundred five billion, five hundred fifteen million, thirty thousand, four hundred fifty-one".