20136572463311 has 2 divisors, whose sum is σ = 20136572463312. Its totient is φ = 20136572463310.

The previous prime is 20136572463283. The next prime is 20136572463379. The reversal of 20136572463311 is 11336427563102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20136572463311 - 2⁶ = 20136572463247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20136572465311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10068286231655 + 10068286231656.

It is an arithmetic number, because the mean of its divisors is an integer number (10068286231656).

Almost surely, 2^{20136572463311} is an apocalyptic number.

20136572463311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20136572463311 is an equidigital number, since it uses as much as digits as its factorization.

20136572463311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 44.

The spelling of 20136572463311 in words is "twenty trillion, one hundred thirty-six billion, five hundred seventy-two million, four hundred sixty-three thousand, three hundred eleven".