11954866325 has 6 divisors (see below), whose sum is σ = 14824034274. Its totient is φ = 9563893040.

The previous prime is 11954866309. The next prime is 11954866369. The reversal of 11954866325 is 52366845911.

It can be written as a sum of positive squares in 3 ways, for example, as 417098929 + 11537767396 = 20423^2 + 107414^2 .

It is not a de Polignac number, because 11954866325 - 2⁴ = 11954866309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 239097302 + ... + 239097351.

It is an arithmetic number, because the mean of its divisors is an integer number (2470672379).

Almost surely, 2^11954866325 is an apocalyptic number.

It is an amenable number.

11954866325 is a deficient number, since it is larger than the sum of its proper divisors (2869167949).

11954866325 is an equidigital number, since it uses as much as digits as its factorization.

11954866325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478194663 (or 478194658 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 50.

The spelling of 11954866325 in words is "eleven billion, nine hundred fifty-four million, eight hundred sixty-six thousand, three hundred twenty-five".