12352400925505 has 4 divisors (see below), whose sum is σ = 14822881110612. Its totient is φ = 9881920740400.

The previous prime is 12352400925479. The next prime is 12352400925511. The reversal of 12352400925505 is 50552900425321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2642994781441 + 9709406144064 = 1625729^2 + 3115992^2 .

It is not a de Polignac number, because 12352400925505 - 2¹³ = 12352400917313 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1235240092546 + ... + 1235240092555.

It is an arithmetic number, because the mean of its divisors is an integer number (3705720277653).

Almost surely, 2^{12352400925505} is an apocalyptic number.

It is an amenable number.

12352400925505 is a deficient number, since it is larger than the sum of its proper divisors (2470480185107).

12352400925505 is an equidigital number, since it uses as much as digits as its factorization.

12352400925505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470480185106.

The product of its (nonzero) digits is 540000, while the sum is 43.

The spelling of 12352400925505 in words is "twelve trillion, three hundred fifty-two billion, four hundred million, nine hundred twenty-five thousand, five hundred five".