11122025206500 has 384 divisors, whose sum is σ = 39109688217600. Its totient is φ = 2712607833600.

The previous prime is 11122025206499. The next prime is 11122025206543. The reversal of 11122025206500 is 560252022111.

11122025206500 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 2 + 0 + 2 + 5 + 2 + 0 + 650 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 18838797 + ... + 19420203.

It is an arithmetic number, because the mean of its divisors is an integer number (101848146400).

Almost surely, 2^{11122025206500} is an apocalyptic number.

11122025206500 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 11122025206500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19554844108800).

11122025206500 is an abundant number, since it is smaller than the sum of its proper divisors (27987663011100).

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

11122025206500 is a wasteful number, since it uses less digits than its factorization.

11122025206500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581557 (or 581539 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 11122025206500 its reverse (560252022111), we get a palindrome (11682277228611).

The spelling of 11122025206500 in words is "eleven trillion, one hundred twenty-two billion, twenty-five million, two hundred six thousand, five hundred".