13105434503025 has 48 divisors (see below), whose sum is σ = 24130010044800. Its totient is φ = 6973643350080.

The previous prime is 13105434502991. The next prime is 13105434503027. The reversal of 13105434503025 is 52030543450131.

13105434503025 is a `hidden beast` number, since 1 + 3 + 1 + 0 + 5 + 4 + 345 + 0 + 302 + 5 = 666.

It is not a de Polignac number, because 13105434503025 - 2⁹ = 13105434502513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13105434503027) 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, 21816954 + ... + 22409603.

It is an arithmetic number, because the mean of its divisors is an integer number (502708542600).

Almost surely, 2^{13105434503025} is an apocalyptic number.

13105434503025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13105434503025 is a deficient number, since it is larger than the sum of its proper divisors (11024575541775).

13105434503025 is a wasteful number, since it uses less digits than its factorization.

13105434503025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44227015 (or 44227004 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 13105434503025 its reverse (52030543450131), we get a palindrome (65135977953156).

The spelling of 13105434503025 in words is "thirteen trillion, one hundred five billion, four hundred thirty-four million, five hundred three thousand, twenty-five".