311642545499999 has 8 divisors (see below), whose sum is σ = 356163015915168. Its totient is φ = 267122101777920.

The previous prime is 311642545499983. The next prime is 311642545500023. The reversal of 311642545499999 is 999994545246113.

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 311642545499999 - 2⁴ = 311642545499983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311642545499939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42549359 + ... + 49332879.

It is an arithmetic number, because the mean of its divisors is an integer number (44520376989396).

Almost surely, 2^{311642545499999} is an apocalyptic number.

311642545499999 is a deficient number, since it is larger than the sum of its proper divisors (44520470415169).

311642545499999 is an equidigital number, since it uses as much as digits as its factorization.

311642545499999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13346545.

The product of its digits is 3401222400, while the sum is 80.

The spelling of 311642545499999 in words is "three hundred eleven trillion, six hundred forty-two billion, five hundred forty-five million, four hundred ninety-nine thousand, nine hundred ninety-nine".