20463315656411 has 8 divisors (see below), whose sum is σ = 21661248330480. Its totient is φ = 19298203055712.

The previous prime is 20463315656383. The next prime is 20463315656417. The reversal of 20463315656411 is 11465651336402.

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 20463315656411 - 2¹⁸ = 20463315394267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20463315656417) 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, 8205017060 + ... + 8205019553.

It is an arithmetic number, because the mean of its divisors is an integer number (2707656041310).

Almost surely, 2^{20463315656411} is an apocalyptic number.

20463315656411 is a deficient number, since it is larger than the sum of its proper divisors (1197932674069).

20463315656411 is a wasteful number, since it uses less digits than its factorization.

20463315656411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16410036685.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 20463315656411 in words is "twenty trillion, four hundred sixty-three billion, three hundred fifteen million, six hundred fifty-six thousand, four hundred eleven".