11140222520 has 192 divisors, whose sum is σ = 29685463200. Its totient is φ = 3751157760.

The previous prime is 11140222507. The next prime is 11140222537. The reversal of 11140222520 is 2522204111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11140222492 and 11140222501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39644780 + ... + 39645060.

Almost surely, 2^11140222520 is an apocalyptic number.

11140222520 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 11140222520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14842731600).

11140222520 is an abundant number, since it is smaller than the sum of its proper divisors (18545240680).

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

11140222520 is a wasteful number, since it uses less digits than its factorization.

11140222520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 587 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 11140222520 its reverse (2522204111), we get a palindrome (13662426631).

The spelling of 11140222520 in words is "eleven billion, one hundred forty million, two hundred twenty-two thousand, five hundred twenty".