1015315122503 has 16 divisors (see below), whose sum is σ = 1172052260352. Its totient is φ = 870447732000.

The previous prime is 1015315122491. The next prime is 1015315122517. The reversal of 1015315122503 is 3052215135101.

It is not a de Polignac number, because 1015315122503 - 2²⁰ = 1015314073927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015315127503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28243328 + ... + 28279253.

It is an arithmetic number, because the mean of its divisors is an integer number (73253266272).

Almost surely, 2^{1015315122503} is an apocalyptic number.

1015315122503 is a deficient number, since it is larger than the sum of its proper divisors (156737137849).

1015315122503 is a wasteful number, since it uses less digits than its factorization.

1015315122503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56522686.

The product of its (nonzero) digits is 4500, while the sum is 29.

The spelling of 1015315122503 in words is "one trillion, fifteen billion, three hundred fifteen million, one hundred twenty-two thousand, five hundred three".