1315042421502 has 64 divisors (see below), whose sum is σ = 2669319261504. Its totient is φ = 431853588480.

The previous prime is 1315042421461. The next prime is 1315042421549. The reversal of 1315042421502 is 2051242405131.

It is a self number, because there is not a number n which added to its sum of digits gives 1315042421502.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 142609252 + ... + 142618472.

It is an arithmetic number, because the mean of its divisors is an integer number (41708113461).

Almost surely, 2^{1315042421502} is an apocalyptic number.

1315042421502 is an abundant number, since it is smaller than the sum of its proper divisors (1354276840002).

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

1315042421502 is a wasteful number, since it uses less digits than its factorization.

1315042421502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10413.

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 1315042421502 its reverse (2051242405131), we get a palindrome (3366284826633).

The spelling of 1315042421502 in words is "one trillion, three hundred fifteen billion, forty-two million, four hundred twenty-one thousand, five hundred two".