13125325123505 has 32 divisors (see below), whose sum is σ = 18148219742976. Its totient is φ = 8926545648384.

The previous prime is 13125325123451. The next prime is 13125325123507. The reversal of 13125325123505 is 50532152352131.

It is not a de Polignac number, because 13125325123505 - 2⁶ = 13125325123441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13125325123507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 822407 + ... + 5189123.

It is an arithmetic number, because the mean of its divisors is an integer number (567131866968).

Almost surely, 2^{13125325123505} is an apocalyptic number.

It is an amenable number.

13125325123505 is a deficient number, since it is larger than the sum of its proper divisors (5022894619471).

13125325123505 is a wasteful number, since it uses less digits than its factorization.

13125325123505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4367433.

The product of its (nonzero) digits is 135000, while the sum is 38.

Adding to 13125325123505 its reverse (50532152352131), we get a palindrome (63657477475636).

The spelling of 13125325123505 in words is "thirteen trillion, one hundred twenty-five billion, three hundred twenty-five million, one hundred twenty-three thousand, five hundred five".