1311046016421 has 8 divisors (see below), whose sum is σ = 1772681937984. Its totient is φ = 861720386240.

The previous prime is 1311046016369. The next prime is 1311046016443. The reversal of 1311046016421 is 1246106401131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311046016421 - 2¹¹ = 1311046014373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311046026421) 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 7 ways as a sum of consecutive naturals, for example, 3077572596 + ... + 3077573021.

It is an arithmetic number, because the mean of its divisors is an integer number (221585242248).

Almost surely, 2^{1311046016421} is an apocalyptic number.

It is an amenable number.

1311046016421 is a deficient number, since it is larger than the sum of its proper divisors (461635921563).

1311046016421 is an equidigital number, since it uses as much as digits as its factorization.

1311046016421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6155145691.

The product of its (nonzero) digits is 3456, while the sum is 30.

The spelling of 1311046016421 in words is "one trillion, three hundred eleven billion, forty-six million, sixteen thousand, four hundred twenty-one".