11053313063440 has 40 divisors (see below), whose sum is σ = 25862640499800. Its totient is φ = 4393163913216.

The previous prime is 11053313063431. The next prime is 11053313063447. The reversal of 11053313063440 is 4436031335011.

It can be written as a sum of positive squares in 4 ways, for example, as 781236783376 + 10272076280064 = 883876^2 + 3205008^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 11053313063396 and 11053313063405.

It is not an unprimeable number, because it can be changed into a prime (11053313063447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440007865 + ... + 440032984.

It is an arithmetic number, because the mean of its divisors is an integer number (646566012495).

Almost surely, 2^{11053313063440} is an apocalyptic number.

11053313063440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11053313063440 is an abundant number, since it is smaller than the sum of its proper divisors (14809327436360).

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

11053313063440 is a wasteful number, since it uses less digits than its factorization.

11053313063440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880041019 (or 880041013 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 11053313063440 its reverse (4436031335011), we get a palindrome (15489344398451).

The spelling of 11053313063440 in words is "eleven trillion, fifty-three billion, three hundred thirteen million, sixty-three thousand, four hundred forty".