1315506155502 has 64 divisors (see below), whose sum is σ = 3347166528000. Its totient is φ = 341689904640.

The previous prime is 1315506155461. The next prime is 1315506155531. The reversal of 1315506155502 is 2055516055131.

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, 29032627 + ... + 29077902.

It is an arithmetic number, because the mean of its divisors is an integer number (52299477000).

Almost surely, 2^{1315506155502} is an apocalyptic number.

1315506155502 is an abundant number, since it is smaller than the sum of its proper divisors (2031660372498).

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

1315506155502 is a wasteful number, since it uses less digits than its factorization.

1315506155502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58110566 (or 58110552 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 1315506155502 in words is "one trillion, three hundred fifteen billion, five hundred six million, one hundred fifty-five thousand, five hundred two".