118522566655249 has 3 divisors (see below), whose sum is σ = 118522577542057. Its totient is φ = 118522555768442.

The previous prime is 118522566655247. The next prime is 118522566655271. The reversal of 118522566655249 is 942556665225811.

It is a happy number.

The square root of 118522566655249 is 10886807.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 118522566655249 - 2¹ = 118522566655247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118522566655247) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5443404 + ... + 16330210.

Almost surely, 2^{118522566655249} is an apocalyptic number.

118522566655249 is the 10886807-th square number.

118522566655249 is the 5443404-th centered octagonal number.

It is an amenable number.

118522566655249 is a deficient number, since it is larger than the sum of its proper divisors (10886808).

118522566655249 is an frugal number, since it uses more digits than its factorization.

118522566655249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21773614 (or 10886807 counting only the distinct ones).

The product of its digits is 311040000, while the sum is 67.

The spelling of 118522566655249 in words is "one hundred eighteen trillion, five hundred twenty-two billion, five hundred sixty-six million, six hundred fifty-five thousand, two hundred forty-nine".