11802118128 has 240 divisors, whose sum is σ = 33670987776. Its totient is φ = 3557675520.

The previous prime is 11802118127. The next prime is 11802118129. The reversal of 11802118128 is 82181120811.

It is an interprime number because it is at equal distance from previous prime (11802118127) and next prime (11802118129).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11802118127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68220250 + ... + 68220422.

Almost surely, 2^11802118128 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 11802118128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16835493888).

11802118128 is an abundant number, since it is smaller than the sum of its proper divisors (21868869648).

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

11802118128 is a wasteful number, since it uses less digits than its factorization.

11802118128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 355 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 33.

Adding to 11802118128 its reverse (82181120811), we get a palindrome (93983238939).

The spelling of 11802118128 in words is "eleven billion, eight hundred two million, one hundred eighteen thousand, one hundred twenty-eight".