13142235524405 has 12 divisors (see below), whose sum is σ = 17077129712100. Its totient is φ = 9705035463552.

The previous prime is 13142235524357. The next prime is 13142235524441. The reversal of 13142235524405 is 50442553224131.

It can be written as a sum of positive squares in 6 ways, for example, as 3341441417521 + 9800794106884 = 1827961^2 + 3130622^2 .

It is not a de Polignac number, because 13142235524405 - 2²⁸ = 13141967088949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7776469880 + ... + 7776471569.

It is an arithmetic number, because the mean of its divisors is an integer number (1423094142675).

Almost surely, 2^{13142235524405} is an apocalyptic number.

It is an amenable number.

13142235524405 is a deficient number, since it is larger than the sum of its proper divisors (3934894187695).

13142235524405 is a wasteful number, since it uses less digits than its factorization.

13142235524405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15552941480 (or 15552941467 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 13142235524405 its reverse (50442553224131), we get a palindrome (63584788748536).

The spelling of 13142235524405 in words is "thirteen trillion, one hundred forty-two billion, two hundred thirty-five million, five hundred twenty-four thousand, four hundred five".