11336785920 has 672 divisors, whose sum is σ = 43795297728. Its totient is φ = 2802843648.

The previous prime is 11336785919. The next prime is 11336785939. The reversal of 11336785920 is 2958763311.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 169205727 + ... + 169205793.

It is an arithmetic number, because the mean of its divisors is an integer number (65171574).

Almost surely, 2^11336785920 is an apocalyptic number.

11336785920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11336785920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21897648864).

11336785920 is an abundant number, since it is smaller than the sum of its proper divisors (32458511808).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11336785920 is an frugal number, since it uses more digits than its factorization.

11336785920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 11336785920 in words is "eleven billion, three hundred thirty-six million, seven hundred eighty-five thousand, nine hundred twenty".