11885420030 has 64 divisors (see below), whose sum is σ = 24271073280. Its totient is φ = 4150876800.

The previous prime is 11885420017. The next prime is 11885420047. The reversal of 11885420030 is 3002458811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 599537 + ... + 619043.

It is an arithmetic number, because the mean of its divisors is an integer number (379235520).

Almost surely, 2^11885420030 is an apocalyptic number.

11885420030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11885420030 is an abundant number, since it is smaller than the sum of its proper divisors (12385653250).

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

11885420030 is a wasteful number, since it uses less digits than its factorization.

11885420030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19745.

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 11885420030 its reverse (3002458811), we get a palindrome (14887878841).

The spelling of 11885420030 in words is "eleven billion, eight hundred eighty-five million, four hundred twenty thousand, thirty".