11516226450 has 96 divisors (see below), whose sum is σ = 28843987200. Its totient is φ = 3040614720.

The previous prime is 11516226443. The next prime is 11516226451. The reversal of 11516226450 is 5462261511.

It is not an unprimeable number, because it can be changed into a prime (11516226451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13406121 + ... + 13406979.

It is an arithmetic number, because the mean of its divisors is an integer number (300458200).

Almost surely, 2^11516226450 is an apocalyptic number.

11516226450 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 11516226450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14421993600).

11516226450 is an abundant number, since it is smaller than the sum of its proper divisors (17327760750).

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

11516226450 is a wasteful number, since it uses less digits than its factorization.

11516226450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656 (or 1651 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 11516226450 its reverse (5462261511), we get a palindrome (16978487961).

The spelling of 11516226450 in words is "eleven billion, five hundred sixteen million, two hundred twenty-six thousand, four hundred fifty".