13105512145451 has 12 divisors (see below), whose sum is σ = 15163402485000. Its totient is φ = 11287043951040.

The previous prime is 13105512145433. The next prime is 13105512145457. The reversal of 13105512145451 is 15454121550131.

It is not a de Polignac number, because 13105512145451 - 2²⁶ = 13105445036587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13105512145457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2850261326 + ... + 2850265923.

It is an arithmetic number, because the mean of its divisors is an integer number (1263616873750).

Almost surely, 2^{13105512145451} is an apocalyptic number.

13105512145451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13105512145451 is a deficient number, since it is larger than the sum of its proper divisors (2057890339549).

13105512145451 is a wasteful number, since it uses less digits than its factorization.

13105512145451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5700527290 (or 5700527279 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 38.

Adding to 13105512145451 its reverse (15454121550131), we get a palindrome (28559633695582).

The spelling of 13105512145451 in words is "thirteen trillion, one hundred five billion, five hundred twelve million, one hundred forty-five thousand, four hundred fifty-one".