11551130224 has 40 divisors (see below), whose sum is σ = 23192408448. Its totient is φ = 5567447040.

The previous prime is 11551130221. The next prime is 11551130303. The reversal of 11551130224 is 42203115511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11551130221) 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, 82164 + ... + 172780.

Almost surely, 2^11551130224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11551130224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11596204224).

11551130224 is an abundant number, since it is smaller than the sum of its proper divisors (11641278224).

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

11551130224 is a wasteful number, since it uses less digits than its factorization.

11551130224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90913 (or 90907 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11551130224 its reverse (42203115511), we get a palindrome (53754245735).

The spelling of 11551130224 in words is "eleven billion, five hundred fifty-one million, one hundred thirty thousand, two hundred twenty-four".