36138777211 has 2 divisors, whose sum is σ = 36138777212. Its totient is φ = 36138777210.

The previous prime is 36138777139. The next prime is 36138777251. The reversal of 36138777211 is 11277783163.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 36138777211 - 2¹¹ = 36138775163 is a prime.

It is a super-2 number, since 2×36138777211² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (36138777251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18069388605 + 18069388606.

It is an arithmetic number, because the mean of its divisors is an integer number (18069388606).

Almost surely, 2^36138777211 is an apocalyptic number.

36138777211 is a deficient number, since it is larger than the sum of its proper divisors (1).

36138777211 is an equidigital number, since it uses as much as digits as its factorization.

36138777211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 296352, while the sum is 46.

The spelling of 36138777211 in words is "thirty-six billion, one hundred thirty-eight million, seven hundred seventy-seven thousand, two hundred eleven".