131182787127085 has 16 divisors (see below), whose sum is σ = 165720802484160. Its totient is φ = 99413006365440.

The previous prime is 131182787127083. The next prime is 131182787127137. The reversal of 131182787127085 is 580721787281131.

It is not a de Polignac number, because 131182787127085 - 2¹ = 131182787127083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131182787127083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66646812 + ... + 68586901.

It is an arithmetic number, because the mean of its divisors is an integer number (10357550155260).

Almost surely, 2^{131182787127085} is an apocalyptic number.

It is an amenable number.

131182787127085 is a deficient number, since it is larger than the sum of its proper divisors (34538015357075).

131182787127085 is a wasteful number, since it uses less digits than its factorization.

131182787127085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135243948.

The product of its (nonzero) digits is 10536960, while the sum is 61.

The spelling of 131182787127085 in words is "one hundred thirty-one trillion, one hundred eighty-two billion, seven hundred eighty-seven million, one hundred twenty-seven thousand, eighty-five".