118627549661 has 2 divisors, whose sum is σ = 118627549662. Its totient is φ = 118627549660.

The previous prime is 118627549643. The next prime is 118627549763. The reversal of 118627549661 is 166945726811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118125565636 + 501984025 = 343694^2 + 22405^2 .

It is an emirp because it is prime and its reverse (166945726811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118627549661 - 2¹⁸ = 118627287517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118627549597 and 118627549606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118627549361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59313774830 + 59313774831.

It is an arithmetic number, because the mean of its divisors is an integer number (59313774831).

Almost surely, 2^118627549661 is an apocalyptic number.

It is an amenable number.

118627549661 is a deficient number, since it is larger than the sum of its proper divisors (1).

118627549661 is an equidigital number, since it uses as much as digits as its factorization.

118627549661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 56.

The spelling of 118627549661 in words is "one hundred eighteen billion, six hundred twenty-seven million, five hundred forty-nine thousand, six hundred sixty-one".