103005115503 has 8 divisors (see below), whose sum is σ = 137344118016. Its totient is φ = 68668095000.

The previous prime is 103005115487. The next prime is 103005115513. The reversal of 103005115503 is 305511500301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103005115503 - 2⁴ = 103005115487 is a prime.

It is a super-2 number, since 2×103005115503² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103005115513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369673 + ... + 585378.

It is an arithmetic number, because the mean of its divisors is an integer number (17168014752).

Almost surely, 2^103005115503 is an apocalyptic number.

103005115503 is a deficient number, since it is larger than the sum of its proper divisors (34339002513).

103005115503 is an equidigital number, since it uses as much as digits as its factorization.

103005115503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991005.

The product of its (nonzero) digits is 1125, while the sum is 24.

Adding to 103005115503 its reverse (305511500301), we get a palindrome (408516615804).

The spelling of 103005115503 in words is "one hundred three billion, five million, one hundred fifteen thousand, five hundred three".