11112525212 has 24 divisors (see below), whose sum is σ = 20480140800. Its totient is φ = 5261333616.

The previous prime is 11112525209. The next prime is 11112525239. The reversal of 11112525212 is 21252521111.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132053 + ... + 199155.

It is an arithmetic number, because the mean of its divisors is an integer number (853339200).

Almost surely, 2^11112525212 is an apocalyptic number.

It is an amenable number.

11112525212 is a deficient number, since it is larger than the sum of its proper divisors (9367615588).

11112525212 is a wasteful number, since it uses less digits than its factorization.

11112525212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69305 (or 69303 counting only the distinct ones).

The product of its digits is 400, while the sum is 23.

The spelling of 11112525212 in words is "eleven billion, one hundred twelve million, five hundred twenty-five thousand, two hundred twelve".