118204628491 has 2 divisors, whose sum is σ = 118204628492. Its totient is φ = 118204628490.

The previous prime is 118204628473. The next prime is 118204628513. The reversal of 118204628491 is 194826402811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118204628491 - 2¹³ = 118204620299 is a prime.

It is not a weakly prime, because it can be changed into another prime (118204628471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59102314245 + 59102314246.

It is an arithmetic number, because the mean of its divisors is an integer number (59102314246).

Almost surely, 2^118204628491 is an apocalyptic number.

118204628491 is a deficient number, since it is larger than the sum of its proper divisors (1).

118204628491 is an equidigital number, since it uses as much as digits as its factorization.

118204628491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 118204628491 in words is "one hundred eighteen billion, two hundred four million, six hundred twenty-eight thousand, four hundred ninety-one".