1310065561240 has 16 divisors (see below), whose sum is σ = 2947647512880. Its totient is φ = 524026224480.

The previous prime is 1310065561229. The next prime is 1310065561243. The reversal of 1310065561240 is 421655600131.

It is a junction number, because it is equal to n+sod(n) for n = 1310065561196 and 1310065561205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310065561243) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16375819476 + ... + 16375819555.

It is an arithmetic number, because the mean of its divisors is an integer number (184227969555).

Almost surely, 2^{1310065561240} is an apocalyptic number.

1310065561240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1310065561240 is an abundant number, since it is smaller than the sum of its proper divisors (1637581951640).

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

1310065561240 is a wasteful number, since it uses less digits than its factorization.

1310065561240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32751639042 (or 32751639038 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 1310065561240 in words is "one trillion, three hundred ten billion, sixty-five million, five hundred sixty-one thousand, two hundred forty".