11243520415 has 8 divisors (see below), whose sum is σ = 13536174960. Its totient is φ = 8965516032.

The previous prime is 11243520403. The next prime is 11243520443. The reversal of 11243520415 is 51402534211.

11243520415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11243520415 - 2⁷ = 11243520287 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 7 ways as a sum of consecutive naturals, for example, 3660850 + ... + 3663919.

It is an arithmetic number, because the mean of its divisors is an integer number (1692021870).

Almost surely, 2^11243520415 is an apocalyptic number.

11243520415 is a deficient number, since it is larger than the sum of its proper divisors (2292654545).

11243520415 is an equidigital number, since it uses as much as digits as its factorization.

11243520415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7325081.

The product of its (nonzero) digits is 4800, while the sum is 28.

The spelling of 11243520415 in words is "eleven billion, two hundred forty-three million, five hundred twenty thousand, four hundred fifteen".