11053643164240 has 80 divisors (see below), whose sum is σ = 26086039815168. Its totient is φ = 4355007579648.

The previous prime is 11053643164211. The next prime is 11053643164241. The reversal of 11053643164240 is 4246134635011.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×11053643164240² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 11053643164193 and 11053643164202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11053643164241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53351889 + ... + 53558671.

Almost surely, 2^{11053643164240} is an apocalyptic number.

11053643164240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11053643164240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13043019907584).

11053643164240 is an abundant number, since it is smaller than the sum of its proper divisors (15032396650928).

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

11053643164240 is a wasteful number, since it uses less digits than its factorization.

11053643164240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216836 (or 216830 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

Adding to 11053643164240 its reverse (4246134635011), we get a palindrome (15299777799251).

The spelling of 11053643164240 in words is "eleven trillion, fifty-three billion, six hundred forty-three million, one hundred sixty-four thousand, two hundred forty".