1310981675520 has 160 divisors (see below), whose sum is σ = 4572048888000. Its totient is φ = 317813719040.

The previous prime is 1310981675467. The next prime is 1310981675527. The reversal of 1310981675520 is 255761890131.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1310981675520.

It is not an unprimeable number, because it can be changed into a prime (1310981675527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7674645 + ... + 7843604.

It is an arithmetic number, because the mean of its divisors is an integer number (28575305550).

Almost surely, 2^{1310981675520} is an apocalyptic number.

1310981675520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310981675520 is an abundant number, since it is smaller than the sum of its proper divisors (3261067212480).

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

1310981675520 is a wasteful number, since it uses less digits than its factorization.

1310981675520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15518286 (or 15518270 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 48.

The spelling of 1310981675520 in words is "one trillion, three hundred ten billion, nine hundred eighty-one million, six hundred seventy-five thousand, five hundred twenty".