1316053556520 has 128 divisors (see below), whose sum is σ = 3970747059840. Its totient is φ = 348944000000.

The previous prime is 1316053556507. The next prime is 1316053556551. The reversal of 1316053556520 is 256553506131.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21025270 + ... + 21087770.

It is an arithmetic number, because the mean of its divisors is an integer number (31021461405).

Almost surely, 2^{1316053556520} is an apocalyptic number.

1316053556520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1316053556520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1985373529920).

1316053556520 is an abundant number, since it is smaller than the sum of its proper divisors (2654693503320).

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

1316053556520 is a wasteful number, since it uses less digits than its factorization.

1316053556520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63515 (or 63511 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 1316053556520 in words is "one trillion, three hundred sixteen billion, fifty-three million, five hundred fifty-six thousand, five hundred twenty".