11883755520 has 864 divisors, whose sum is σ = 51437786400. Its totient is φ = 2484338688.

The previous prime is 11883755509. The next prime is 11883755537. The reversal of 11883755520 is 2555738811.

11883755520 is a `hidden beast` number, since 1 + 18 + 83 + 7 + 5 + 552 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 109025226 + ... + 109025334.

It is an arithmetic number, because the mean of its divisors is an integer number (59534475).

Almost surely, 2^11883755520 is an apocalyptic number.

11883755520 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 11883755520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25718893200).

11883755520 is an abundant number, since it is smaller than the sum of its proper divisors (39554030880).

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

11883755520 is a wasteful number, since it uses less digits than its factorization.

11883755520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 45.

The spelling of 11883755520 in words is "eleven billion, eight hundred eighty-three million, seven hundred fifty-five thousand, five hundred twenty".