136855281011 has 2 divisors, whose sum is σ = 136855281012. Its totient is φ = 136855281010.

The previous prime is 136855280987. The next prime is 136855281041. The reversal of 136855281011 is 110182558631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-136855281011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 136855281011.

It is not a weakly prime, because it can be changed into another prime (136855281041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68427640505 + 68427640506.

It is an arithmetic number, because the mean of its divisors is an integer number (68427640506).

Almost surely, 2^136855281011 is an apocalyptic number.

136855281011 is a deficient number, since it is larger than the sum of its proper divisors (1).

136855281011 is an equidigital number, since it uses as much as digits as its factorization.

136855281011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 57600, while the sum is 41.

The spelling of 136855281011 in words is "one hundred thirty-six billion, eight hundred fifty-five million, two hundred eighty-one thousand, eleven".