1315502040550 has 12 divisors (see below), whose sum is σ = 2446833795516. Its totient is φ = 526200816200.

The previous prime is 1315502040397. The next prime is 1315502040581. The reversal of 1315502040550 is 550402055131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13155020356 + ... + 13155020455.

It is an arithmetic number, because the mean of its divisors is an integer number (203902816293).

Almost surely, 2^{1315502040550} is an apocalyptic number.

1315502040550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315502040550 is a deficient number, since it is larger than the sum of its proper divisors (1131331754966).

1315502040550 is a wasteful number, since it uses less digits than its factorization.

1315502040550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26310040823 (or 26310040818 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

Adding to 1315502040550 its reverse (550402055131), we get a palindrome (1865904095681).

The spelling of 1315502040550 in words is "one trillion, three hundred fifteen billion, five hundred two million, forty thousand, five hundred fifty".