1315521636080 has 40 divisors (see below), whose sum is σ = 3065852936544. Its totient is φ = 524958739200.

The previous prime is 1315521636059. The next prime is 1315521636119. The reversal of 1315521636080 is 806361255131.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19496036 + ... + 19563395.

Almost surely, 2^{1315521636080} is an apocalyptic number.

1315521636080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315521636080 is an abundant number, since it is smaller than the sum of its proper divisors (1750331300464).

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

1315521636080 is a wasteful number, since it uses less digits than its factorization.

1315521636080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39059865 (or 39059859 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 1315521636080 in words is "one trillion, three hundred fifteen billion, five hundred twenty-one million, six hundred thirty-six thousand, eighty".