11918854925 has 12 divisors (see below), whose sum is σ = 14855963220. Its totient is φ = 9485675520.

The previous prime is 11918854897. The next prime is 11918854931. The reversal of 11918854925 is 52945881911.

11918854925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 56595529 + 11862259396 = 7523^2 + 108914^2 .

It is not a de Polignac number, because 11918854925 - 2⁸ = 11918854669 is a prime.

It is a congruent 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 11 ways as a sum of consecutive naturals, for example, 1230290 + ... + 1239939.

It is an arithmetic number, because the mean of its divisors is an integer number (1237996935).

Almost surely, 2^11918854925 is an apocalyptic number.

It is an amenable number.

11918854925 is a deficient number, since it is larger than the sum of its proper divisors (2937108295).

11918854925 is a wasteful number, since it uses less digits than its factorization.

11918854925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470432 (or 2470427 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 53.

The spelling of 11918854925 in words is "eleven billion, nine hundred eighteen million, eight hundred fifty-four thousand, nine hundred twenty-five".