11800205424 has 120 divisors (see below), whose sum is σ = 38030458752. Its totient is φ = 3345713280.

The previous prime is 11800205419. The next prime is 11800205441. The reversal of 11800205424 is 42450200811.

11800205424 is a `hidden beast` number, since 118 + 0 + 0 + 2 + 0 + 542 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87367 + ... + 176729.

Almost surely, 2^11800205424 is an apocalyptic number.

11800205424 is a gapful number since it is divisible by the number (14) 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 11800205424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19015229376).

11800205424 is an abundant number, since it is smaller than the sum of its proper divisors (26230253328).

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

11800205424 is a wasteful number, since it uses less digits than its factorization.

11800205424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89515 (or 89506 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The spelling of 11800205424 in words is "eleven billion, eight hundred million, two hundred five thousand, four hundred twenty-four".