1313455915980 has 144 divisors (see below), whose sum is σ = 4406585723904. Its totient is φ = 314574036480.

The previous prime is 1313455915979. The next prime is 1313455916021. The reversal of 1313455915980 is 895195543131.

It is a happy number.

1313455915980 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 4 + 559 + 1 + 5 + 9 + 80 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7498636 + ... + 7671795.

Almost surely, 2^{1313455915980} is an apocalyptic number.

1313455915980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1313455915980 is an abundant number, since it is smaller than the sum of its proper divisors (3093129807924).

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

1313455915980 is a wasteful number, since it uses less digits than its factorization.

1313455915980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15170496 (or 15170491 counting only the distinct ones).

The product of its (nonzero) digits is 2916000, while the sum is 54.

The spelling of 1313455915980 in words is "one trillion, three hundred thirteen billion, four hundred fifty-five million, nine hundred fifteen thousand, nine hundred eighty".