11001114543402 has 144 divisors (see below), whose sum is σ = 26453734194888. Its totient is φ = 3292403558400.

The previous prime is 11001114543401. The next prime is 11001114543409. The reversal of 11001114543402 is 20434541110011.

It is a happy number.

11001114543402 is a `hidden beast` number, since 1 + 1 + 0 + 0 + 1 + 114 + 543 + 4 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10620683405721 + 380431137681 = 3258939^2 + 616791^2 .

It is not an unprimeable number, because it can be changed into a prime (11001114543401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 60287902 + ... + 60470102.

Almost surely, 2^{11001114543402} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11001114543402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13226867097444).

11001114543402 is an abundant number, since it is smaller than the sum of its proper divisors (15452619651486).

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

11001114543402 is a wasteful number, since it uses less digits than its factorization.

11001114543402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182645 (or 182619 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 11001114543402 its reverse (20434541110011), we get a palindrome (31435655653413).

The spelling of 11001114543402 in words is "eleven trillion, one billion, one hundred fourteen million, five hundred forty-three thousand, four hundred two".