11185487252 has 6 divisors (see below), whose sum is σ = 19574602698. Its totient is φ = 5592743624.

The previous prime is 11185487233. The next prime is 11185487293. The reversal of 11185487252 is 25278458111.

It can be written as a sum of positive squares in only one way, i.e., 9833895556 + 1351591696 = 99166^2 + 36764^2 .

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 as a sum of consecutive naturals, namely, 1398185903 + ... + 1398185910.

It is an arithmetic number, because the mean of its divisors is an integer number (3262433783).

Almost surely, 2^11185487252 is an apocalyptic number.

It is an amenable number.

11185487252 is a deficient number, since it is larger than the sum of its proper divisors (8389115446).

11185487252 is a wasteful number, since it uses less digits than its factorization.

11185487252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2796371817 (or 2796371815 counting only the distinct ones).

The product of its digits is 179200, while the sum is 44.

The spelling of 11185487252 in words is "eleven billion, one hundred eighty-five million, four hundred eighty-seven thousand, two hundred fifty-two".