11535909900 has 144 divisors (see below), whose sum is σ = 34910098944. Its totient is φ = 2935595520.

The previous prime is 11535909871. The next prime is 11535909901. The reversal of 11535909900 is 990953511.

It is not an unprimeable number, because it can be changed into a prime (11535909901) 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 47 ways as a sum of consecutive naturals, for example, 3358584 + ... + 3362016.

Almost surely, 2^11535909900 is an apocalyptic number.

11535909900 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 11535909900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17455049472).

11535909900 is an abundant number, since it is smaller than the sum of its proper divisors (23374189044).

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

11535909900 is a wasteful number, since it uses less digits than its factorization.

11535909900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3960 (or 3953 counting only the distinct ones).

The product of its (nonzero) digits is 54675, while the sum is 42.

The spelling of 11535909900 in words is "eleven billion, five hundred thirty-five million, nine hundred nine thousand, nine hundred".