11238512845 has 24 divisors (see below), whose sum is σ = 15710112000. Its totient is φ = 7695569952.

The previous prime is 11238512833. The next prime is 11238512869. The reversal of 11238512845 is 54821583211.

It is not a de Polignac number, because 11238512845 - 2¹⁹ = 11237988557 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11238512798 and 11238512807.

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 23 ways as a sum of consecutive naturals, for example, 144256 + ... + 208054.

It is an arithmetic number, because the mean of its divisors is an integer number (654588000).

Almost surely, 2^11238512845 is an apocalyptic number.

It is an amenable number.

11238512845 is a deficient number, since it is larger than the sum of its proper divisors (4471599155).

11238512845 is an equidigital number, since it uses as much as digits as its factorization.

11238512845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64537 (or 64530 counting only the distinct ones).

The product of its digits is 76800, while the sum is 40.

The spelling of 11238512845 in words is "eleven billion, two hundred thirty-eight million, five hundred twelve thousand, eight hundred forty-five".