11021143635152 has 80 divisors (see below), whose sum is σ = 25090284952320. Its totient is φ = 4590782936064.

The previous prime is 11021143635149. The next prime is 11021143635223. The reversal of 11021143635152 is 25153634112011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2463749 + ... + 5302107.

It is an arithmetic number, because the mean of its divisors is an integer number (313628561904).

Almost surely, 2^{11021143635152} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11021143635152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12545142476160).

11021143635152 is an abundant number, since it is smaller than the sum of its proper divisors (14069141317168).

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

11021143635152 is a wasteful number, since it uses less digits than its factorization.

11021143635152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839348 (or 2839342 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

Adding to 11021143635152 its reverse (25153634112011), we get a palindrome (36174777747163).

The spelling of 11021143635152 in words is "eleven trillion, twenty-one billion, one hundred forty-three million, six hundred thirty-five thousand, one hundred fifty-two".