20635164361411 has 4 divisors (see below), whose sum is σ = 21192871506352. Its totient is φ = 20077457216472.

The previous prime is 20635164361403. The next prime is 20635164361459. The reversal of 20635164361411 is 11416346153602.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20635164361411 - 2³ = 20635164361403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20635164361111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278853572415 + ... + 278853572488.

It is an arithmetic number, because the mean of its divisors is an integer number (5298217876588).

Almost surely, 2^{20635164361411} is an apocalyptic number.

20635164361411 is a deficient number, since it is larger than the sum of its proper divisors (557707144941).

20635164361411 is an equidigital number, since it uses as much as digits as its factorization.

20635164361411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557707144940.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 20635164361411 in words is "twenty trillion, six hundred thirty-five billion, one hundred sixty-four million, three hundred sixty-one thousand, four hundred eleven".