11422140500 has 96 divisors (see below), whose sum is σ = 25878067488. Its totient is φ = 4400640000.

The previous prime is 11422140497. The next prime is 11422140581. The reversal of 11422140500 is 504122411.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 2171932816 + 9250207684 = 46604^2 + 96178^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1865444 + ... + 1871556.

It is an arithmetic number, because the mean of its divisors is an integer number (269563203).

Almost surely, 2^11422140500 is an apocalyptic number.

11422140500 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 11422140500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12939033744).

11422140500 is an abundant number, since it is smaller than the sum of its proper divisors (14455926988).

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

11422140500 is a wasteful number, since it uses less digits than its factorization.

11422140500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6270 (or 6258 counting only the distinct ones).

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

Adding to 11422140500 its reverse (504122411), we get a palindrome (11926262911).

The spelling of 11422140500 in words is "eleven billion, four hundred twenty-two million, one hundred forty thousand, five hundred".