1310455263520 has 48 divisors (see below), whose sum is σ = 3334100608440. Its totient is φ = 483860404224.

The previous prime is 1310455263517. The next prime is 1310455263577. The reversal of 1310455263520 is 253625540131.

It can be written as a sum of positive squares in 4 ways, for example, as 326621394064 + 983833869456 = 571508^2 + 991884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1310455263520.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315011205 + ... + 315015364.

Almost surely, 2^{1310455263520} is an apocalyptic number.

1310455263520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310455263520 is an abundant number, since it is smaller than the sum of its proper divisors (2023645344920).

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

1310455263520 is a wasteful number, since it uses less digits than its factorization.

1310455263520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630026597 (or 630026589 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 1310455263520 in words is "one trillion, three hundred ten billion, four hundred fifty-five million, two hundred sixty-three thousand, five hundred twenty".