131115160647 has 20 divisors (see below), whose sum is σ = 195898153000. Its totient is φ = 87394592304.

The previous prime is 131115160597. The next prime is 131115160691. The reversal of 131115160647 is 746061511131.

It is a happy number.

131115160647 is a `hidden beast` number, since 1 + 3 + 1 + 1 + 1 + 5 + 1 + 6 + 0 + 647 = 666.

It is not a de Polignac number, because 131115160647 - 2¹⁴ = 131115144263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131115160697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 324888 + ... + 606450.

It is an arithmetic number, because the mean of its divisors is an integer number (9794907650).

Almost surely, 2^131115160647 is an apocalyptic number.

131115160647 is a deficient number, since it is larger than the sum of its proper divisors (64782992353).

131115160647 is an equidigital number, since it uses as much as digits as its factorization.

131115160647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287324 (or 287315 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

Adding to 131115160647 its reverse (746061511131), we get a palindrome (877176671778).

The spelling of 131115160647 in words is "one hundred thirty-one billion, one hundred fifteen million, one hundred sixty thousand, six hundred forty-seven".