13105514113500 has 48 divisors (see below), whose sum is σ = 38163257102880. Its totient is φ = 3494803763200.

The previous prime is 13105514113481. The next prime is 13105514113501. The reversal of 13105514113500 is 531141550131.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105514113501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4368503205 + ... + 4368506204.

It is an arithmetic number, because the mean of its divisors is an integer number (795067856310).

Almost surely, 2^{13105514113500} is an apocalyptic number.

13105514113500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13105514113500 is an abundant number, since it is smaller than the sum of its proper divisors (25057742989380).

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

13105514113500 is a wasteful number, since it uses less digits than its factorization.

13105514113500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8737009431 (or 8737009419 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 13105514113500 its reverse (531141550131), we get a palindrome (13636655663631).

The spelling of 13105514113500 in words is "thirteen trillion, one hundred five billion, five hundred fourteen million, one hundred thirteen thousand, five hundred".