1315563006640 has 80 divisors (see below), whose sum is σ = 3082420712448. Its totient is φ = 522156872448.

The previous prime is 1315563006619. The next prime is 1315563006671. The reversal of 1315563006640 is 466003655131.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1315563006593 and 1315563006602.

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 15 ways as a sum of consecutive naturals, for example, 5356779 + ... + 5596981.

Almost surely, 2^{1315563006640} is an apocalyptic number.

1315563006640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1315563006640 is an abundant number, since it is smaller than the sum of its proper divisors (1766857705808).

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

1315563006640 is a wasteful number, since it uses less digits than its factorization.

1315563006640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240746 (or 240740 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 1315563006640 in words is "one trillion, three hundred fifteen billion, five hundred sixty-three million, six thousand, six hundred forty".