118011503 has 2 divisors, whose sum is σ = 118011504. Its totient is φ = 118011502.

The previous prime is 118011449. The next prime is 118011533. The reversal of 118011503 is 305110811.

It is a strong prime.

It is an emirp because it is prime and its reverse (305110811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118011503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118011533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59005751 + 59005752.

It is an arithmetic number, because the mean of its divisors is an integer number (59005752).

Almost surely, 2^118011503 is an apocalyptic number.

118011503 is a deficient number, since it is larger than the sum of its proper divisors (1).

118011503 is an equidigital number, since it uses as much as digits as its factorization.

118011503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 118011503 is about 10863.3099467888. The cubic root of 118011503 is about 490.5027506848.

The spelling of 118011503 in words is "one hundred eighteen million, eleven thousand, five hundred three".