1515053103 has 24 divisors (see below), whose sum is σ = 2135690928. Its totient is φ = 955214208.

The previous prime is 1515053077. The next prime is 1515053117. The reversal of 1515053103 is 3013505151.

1515053103 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1515053103 - 2²⁴ = 1498275887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515053123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1014025 + ... + 1015517.

It is an arithmetic number, because the mean of its divisors is an integer number (88987122).

Almost surely, 2^1515053103 is an apocalyptic number.

1515053103 is a deficient number, since it is larger than the sum of its proper divisors (620637825).

1515053103 is a wasteful number, since it uses less digits than its factorization.

1515053103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2471 (or 2452 counting only the distinct ones).

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

The square root of 1515053103 is about 38923.6830605738. The cubic root of 1515053103 is about 1148.5307267641.

Adding to 1515053103 its reverse (3013505151), we get a palindrome (4528558254).

The spelling of 1515053103 in words is "one billion, five hundred fifteen million, fifty-three thousand, one hundred three".