11221562255066 has 8 divisors (see below), whose sum is σ = 16832406433824. Its totient is φ = 5610760110460.

The previous prime is 11221562255051. The next prime is 11221562255087. The reversal of 11221562255066 is 66055226512211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9832430 + ... + 10914201.

It is an arithmetic number, because the mean of its divisors is an integer number (2104050804228).

Almost surely, 2^{11221562255066} is an apocalyptic number.

11221562255066 is a deficient number, since it is larger than the sum of its proper divisors (5610844178758).

11221562255066 is a wasteful number, since it uses less digits than its factorization.

11221562255066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21017076.

The product of its (nonzero) digits is 432000, while the sum is 44.

Adding to 11221562255066 its reverse (66055226512211), we get a palindrome (77276788767277).

The spelling of 11221562255066 in words is "eleven trillion, two hundred twenty-one billion, five hundred sixty-two million, two hundred fifty-five thousand, sixty-six".