11385326816 has 24 divisors (see below), whose sum is σ = 22465488024. Its totient is φ = 5679806080.

The previous prime is 11385326809. The next prime is 11385326873. The reversal of 11385326816 is 61862358311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387395 + ... + 415746.

It is an arithmetic number, because the mean of its divisors is an integer number (936062001).

Almost surely, 2^11385326816 is an apocalyptic number.

11385326816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11385326816 is a deficient number, since it is larger than the sum of its proper divisors (11080161208).

11385326816 is an equidigital number, since it uses as much as digits as its factorization.

11385326816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 803594 (or 803586 counting only the distinct ones).

The product of its digits is 207360, while the sum is 44.

The spelling of 11385326816 in words is "eleven billion, three hundred eighty-five million, three hundred twenty-six thousand, eight hundred sixteen".