118112543 has 2 divisors, whose sum is σ = 118112544. Its totient is φ = 118112542.

The previous prime is 118112537. The next prime is 118112557. The reversal of 118112543 is 345211811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 118112543 - 2¹⁸ = 117850399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118114543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59056271 + 59056272.

It is an arithmetic number, because the mean of its divisors is an integer number (59056272).

Almost surely, 2^118112543 is an apocalyptic number.

118112543 is a deficient number, since it is larger than the sum of its proper divisors (1).

118112543 is an equidigital number, since it uses as much as digits as its factorization.

118112543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 26.

The square root of 118112543 is about 10867.9594680878. The cubic root of 118112543 is about 490.6426982297.

The spelling of 118112543 in words is "one hundred eighteen million, one hundred twelve thousand, five hundred forty-three".