118341138947 has 2 divisors, whose sum is σ = 118341138948. Its totient is φ = 118341138946.

The previous prime is 118341138917. The next prime is 118341139009. The reversal of 118341138947 is 749831143811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118341138947 - 2¹² = 118341134851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 118341138895 and 118341138904.

It is not a weakly prime, because it can be changed into another prime (118341138917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59170569473 + 59170569474.

It is an arithmetic number, because the mean of its divisors is an integer number (59170569474).

Almost surely, 2^118341138947 is an apocalyptic number.

118341138947 is a deficient number, since it is larger than the sum of its proper divisors (1).

118341138947 is an equidigital number, since it uses as much as digits as its factorization.

118341138947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 50.

The spelling of 118341138947 in words is "one hundred eighteen billion, three hundred forty-one million, one hundred thirty-eight thousand, nine hundred forty-seven".