11478415252 has 12 divisors (see below), whose sum is σ = 20088238240. Its totient is φ = 5738918616.

The previous prime is 11478415219. The next prime is 11478415297. The reversal of 11478415252 is 25251487411.

11478415252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 34699 + ... + 155437.

Almost surely, 2^11478415252 is an apocalyptic number.

It is an amenable number.

11478415252 is a deficient number, since it is larger than the sum of its proper divisors (8609822988).

11478415252 is a wasteful number, since it uses less digits than its factorization.

11478415252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144510 (or 144508 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The spelling of 11478415252 in words is "eleven billion, four hundred seventy-eight million, four hundred fifteen thousand, two hundred fifty-two".