13434435125 has 64 divisors (see below), whose sum is σ = 18155225088. Its totient is φ = 9896040000.

The previous prime is 13434435121. The next prime is 13434435137. The reversal of 13434435125 is 52153443431.

It is not a de Polignac number, because 13434435125 - 2² = 13434435121 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13434435121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27361130 + ... + 27361620.

It is an arithmetic number, because the mean of its divisors is an integer number (283675392).

Almost surely, 2^13434435125 is an apocalyptic number.

It is an amenable number.

13434435125 is a deficient number, since it is larger than the sum of its proper divisors (4720789963).

13434435125 is a wasteful number, since it uses less digits than its factorization.

13434435125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867 (or 857 counting only the distinct ones).

The product of its digits is 86400, while the sum is 35.

Adding to 13434435125 its reverse (52153443431), we get a palindrome (65587878556).

The spelling of 13434435125 in words is "thirteen billion, four hundred thirty-four million, four hundred thirty-five thousand, one hundred twenty-five".