11125205130 has 128 divisors (see below), whose sum is σ = 29391538176. Its totient is φ = 2678457600.

The previous prime is 11125205107. The next prime is 11125205131. The reversal of 11125205130 is 3150252111.

It is a junction number, because it is equal to n+sod(n) for n = 11125205097 and 11125205106.

It is not an unprimeable number, because it can be changed into a prime (11125205131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3625857 + ... + 3628923.

It is an arithmetic number, because the mean of its divisors is an integer number (229621392).

Almost surely, 2^11125205130 is an apocalyptic number.

11125205130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11125205130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14695769088).

11125205130 is an abundant number, since it is smaller than the sum of its proper divisors (18266333046).

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

11125205130 is a wasteful number, since it uses less digits than its factorization.

11125205130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3292.

The product of its (nonzero) digits is 300, while the sum is 21.

Adding to 11125205130 its reverse (3150252111), we get a palindrome (14275457241).

The spelling of 11125205130 in words is "eleven billion, one hundred twenty-five million, two hundred five thousand, one hundred thirty".