1311207950684 has 96 divisors (see below), whose sum is σ = 2523064723200. Its totient is φ = 593730109440.

The previous prime is 1311207950681. The next prime is 1311207950713. The reversal of 1311207950684 is 4860597021131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311207950681) 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 31 ways as a sum of consecutive naturals, for example, 248661872 + ... + 248667144.

It is an arithmetic number, because the mean of its divisors is an integer number (26281924200).

It is a 1-persistent number, because it is pandigital, but 2⋅1311207950684 = 2622415901368 is not.

Almost surely, 2^{1311207950684} is an apocalyptic number.

It is an amenable number.

1311207950684 is a deficient number, since it is larger than the sum of its proper divisors (1211856772516).

1311207950684 is a wasteful number, since it uses less digits than its factorization.

1311207950684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6543 (or 6541 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 47.

The spelling of 1311207950684 in words is "one trillion, three hundred eleven billion, two hundred seven million, nine hundred fifty thousand, six hundred eighty-four".