115020503 has 4 divisors (see below), whose sum is σ = 123868248. Its totient is φ = 106172760.

The previous prime is 115020469. The next prime is 115020511. The reversal of 115020503 is 305020511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305020511 = 17 ⋅17942383.

It is a cyclic number.

It is not a de Polignac number, because 115020503 - 2¹⁰ = 115019479 is a prime.

It is a super-2 number, since 2×115020503² = 26459432220746018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115020593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4423853 + ... + 4423878.

It is an arithmetic number, because the mean of its divisors is an integer number (30967062).

Almost surely, 2^115020503 is an apocalyptic number.

115020503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115020503 is a deficient number, since it is larger than the sum of its proper divisors (8847745).

115020503 is an equidigital number, since it uses as much as digits as its factorization.

115020503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8847744.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 115020503 is about 10724.7612094629. The cubic root of 115020503 is about 486.3233113757.

The spelling of 115020503 in words is "one hundred fifteen million, twenty thousand, five hundred three".