11920675520 has 224 divisors, whose sum is σ = 32935956480. Its totient is φ = 4073287680.

The previous prime is 11920675499. The next prime is 11920675523. The reversal of 11920675520 is 2557602911.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11920675523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2964071 + ... + 2968089.

It is an arithmetic number, because the mean of its divisors is an integer number (147035520).

Almost surely, 2^11920675520 is an apocalyptic number.

11920675520 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 11920675520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16467978240).

11920675520 is an abundant number, since it is smaller than the sum of its proper divisors (21015280960).

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

11920675520 is a wasteful number, since it uses less digits than its factorization.

11920675520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4103 (or 4093 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 11920675520 in words is "eleven billion, nine hundred twenty million, six hundred seventy-five thousand, five hundred twenty".