118533503 has 16 divisors (see below), whose sum is σ = 137479680. Its totient is φ = 101001600.

The previous prime is 118533487. The next prime is 118533509. The reversal of 118533503 is 305335811.

It is a cyclic number.

It is not a de Polignac number, because 118533503 - 2⁴ = 118533487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118533509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49508 + ... + 51846.

It is an arithmetic number, because the mean of its divisors is an integer number (8592480).

Almost surely, 2^118533503 is an apocalyptic number.

118533503 is a deficient number, since it is larger than the sum of its proper divisors (18946177).

118533503 is a wasteful number, since it uses less digits than its factorization.

118533503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 118533503 is about 10887.3092635417. The cubic root of 118533503 is about 491.2249001845.

The spelling of 118533503 in words is "one hundred eighteen million, five hundred thirty-three thousand, five hundred three".