131108636111 has 2 divisors, whose sum is σ = 131108636112. Its totient is φ = 131108636110.

The previous prime is 131108636101. The next prime is 131108636149. The reversal of 131108636111 is 111636801131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 131108636111 - 2¹⁴ = 131108619727 is a prime.

It is a super-2 number, since 2×131108636111² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131108636101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65554318055 + 65554318056.

It is an arithmetic number, because the mean of its divisors is an integer number (65554318056).

Almost surely, 2^131108636111 is an apocalyptic number.

131108636111 is a deficient number, since it is larger than the sum of its proper divisors (1).

131108636111 is an equidigital number, since it uses as much as digits as its factorization.

131108636111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 131108636111 in words is "one hundred thirty-one billion, one hundred eight million, six hundred thirty-six thousand, one hundred eleven".