20136537335311 has 2 divisors, whose sum is σ = 20136537335312. Its totient is φ = 20136537335310.

The previous prime is 20136537335297. The next prime is 20136537335357. The reversal of 20136537335311 is 11353373563102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20136537335311 - 2¹⁹ = 20136536811023 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20136537332311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10068268667655 + 10068268667656.

It is an arithmetic number, because the mean of its divisors is an integer number (10068268667656).

Almost surely, 2^{20136537335311} is an apocalyptic number.

20136537335311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20136537335311 is an equidigital number, since it uses as much as digits as its factorization.

20136537335311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 510300, while the sum is 43.

The spelling of 20136537335311 in words is "twenty trillion, one hundred thirty-six billion, five hundred thirty-seven million, three hundred thirty-five thousand, three hundred eleven".