1310980645965 has 16 divisors (see below), whose sum is σ = 2097583426368. Its totient is φ = 699184880256.

The previous prime is 1310980645963. The next prime is 1310980645999. The reversal of 1310980645965 is 5695460890131.

It is not a de Polignac number, because 1310980645965 - 2¹ = 1310980645963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1310980645963) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 3571074 + ... + 3921036.

It is an arithmetic number, because the mean of its divisors is an integer number (131098964148).

Almost surely, 2^{1310980645965} is an apocalyptic number.

1310980645965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1310980645965 is a deficient number, since it is larger than the sum of its proper divisors (786602780403).

1310980645965 is a wasteful number, since it uses less digits than its factorization.

1310980645965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599708.

The product of its (nonzero) digits is 6998400, while the sum is 57.

The spelling of 1310980645965 in words is "one trillion, three hundred ten billion, nine hundred eighty million, six hundred forty-five thousand, nine hundred sixty-five".