115221006066 has 16 divisors (see below), whose sum is σ = 230446288800. Its totient is φ = 38406289248.

The previous prime is 115221006059. The next prime is 115221006067. The reversal of 115221006066 is 660600122511.

It is a super-2 number, since 2×115221006066² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115221006067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251905 + ... + 542123.

It is an arithmetic number, because the mean of its divisors is an integer number (14402893050).

Almost surely, 2^115221006066 is an apocalyptic number.

115221006066 is an abundant number, since it is smaller than the sum of its proper divisors (115225282734).

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

115221006066 is a wasteful number, since it uses less digits than its factorization.

115221006066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356393.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 115221006066 its reverse (660600122511), we get a palindrome (775821128577).

The spelling of 115221006066 in words is "one hundred fifteen billion, two hundred twenty-one million, six thousand, sixty-six".