11044100520 has 160 divisors (see below), whose sum is σ = 37371213000. Its totient is φ = 2925199872.

The previous prime is 11044100519. The next prime is 11044100527. The reversal of 11044100520 is 2500144011.

11044100520 is a `hidden beast` number, since 1 + 1 + 0 + 44 + 100 + 520 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8852175396 + 2191925124 = 94086^2 + 46818^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11044100493 and 11044100502.

It is not an unprimeable number, because it can be changed into a prime (11044100527) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 471322 + ... + 494198.

Almost surely, 2^11044100520 is an apocalyptic number.

11044100520 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 11044100520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18685606500).

11044100520 is an abundant number, since it is smaller than the sum of its proper divisors (26327112480).

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

11044100520 is a wasteful number, since it uses less digits than its factorization.

11044100520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23049 (or 23036 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 11044100520 its reverse (2500144011), we get a palindrome (13544244531).

The spelling of 11044100520 in words is "eleven billion, forty-four million, one hundred thousand, five hundred twenty".