13105515030450 has 96 divisors (see below), whose sum is σ = 34487234443584. Its totient is φ = 3282183690240.

The previous prime is 13105515030407. The next prime is 13105515030457. The reversal of 13105515030450 is 5403051550131.

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 47 ways as a sum of consecutive naturals, for example, 4311739 + ... + 6693438.

It is an arithmetic number, because the mean of its divisors is an integer number (359242025454).

Almost surely, 2^{13105515030450} is an apocalyptic number.

13105515030450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13105515030450 is an abundant number, since it is smaller than the sum of its proper divisors (21381719413134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13105515030450 is a wasteful number, since it uses less digits than its factorization.

13105515030450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005676 (or 11005671 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

Adding to 13105515030450 its reverse (5403051550131), we get a palindrome (18508566580581).

The spelling of 13105515030450 in words is "thirteen trillion, one hundred five billion, five hundred fifteen million, thirty thousand, four hundred fifty".