103315015520 has 24 divisors (see below), whose sum is σ = 244081724544. Its totient is φ = 41326006144.

The previous prime is 103315015483. The next prime is 103315015523. The reversal of 103315015520 is 25510513301.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 103315015520.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103315015523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322859264 + ... + 322859583.

It is an arithmetic number, because the mean of its divisors is an integer number (10170071856).

Almost surely, 2^103315015520 is an apocalyptic number.

103315015520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103315015520 is an abundant number, since it is smaller than the sum of its proper divisors (140766709024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103315015520 is an equidigital number, since it uses as much as digits as its factorization.

103315015520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645718862 (or 645718854 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

Adding to 103315015520 its reverse (25510513301), we get a palindrome (128825528821).

The spelling of 103315015520 in words is "one hundred three billion, three hundred fifteen million, fifteen thousand, five hundred twenty".