131409636811 has 2 divisors, whose sum is σ = 131409636812. Its totient is φ = 131409636810.

The previous prime is 131409636791. The next prime is 131409636847. The reversal of 131409636811 is 118636904131.

It is a weak prime.

It is an emirp because it is prime and its reverse (118636904131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131409636811 - 2²⁷ = 131275419083 is a prime.

It is not a weakly prime, because it can be changed into another prime (131409666811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65704818405 + 65704818406.

It is an arithmetic number, because the mean of its divisors is an integer number (65704818406).

Almost surely, 2^131409636811 is an apocalyptic number.

131409636811 is a deficient number, since it is larger than the sum of its proper divisors (1).

131409636811 is an equidigital number, since it uses as much as digits as its factorization.

131409636811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The spelling of 131409636811 in words is "one hundred thirty-one billion, four hundred nine million, six hundred thirty-six thousand, eight hundred eleven".