11011001010984 has 144 divisors (see below), whose sum is σ = 32395058109180. Its totient is φ = 3377174860800.

The previous prime is 11011001010937. The next prime is 11011001011013. The reversal of 11011001010984 is 48901010011011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1359396900 + 11009641614084 = 36870^2 + 3318078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2363034 + ... + 5254134.

Almost surely, 2^{11011001010984} 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 11011001010984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16197529054590).

11011001010984 is an abundant number, since it is smaller than the sum of its proper divisors (21384057098196).

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

11011001010984 is a wasteful number, since it uses less digits than its factorization.

11011001010984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891452 (or 2891432 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 27.

Adding to 11011001010984 its reverse (48901010011011), we get a palindrome (59912011021995).

The spelling of 11011001010984 in words is "eleven trillion, eleven billion, one million, ten thousand, nine hundred eighty-four".