131115160648 has 16 divisors (see below), whose sum is σ = 246500022780. Its totient is φ = 65381821248.

The previous prime is 131115160597. The next prime is 131115160691. The reversal of 131115160648 is 846061511131.

It can be written as a sum of positive squares in 2 ways, for example, as 119592855684 + 11522304964 = 345822^2 + 107342^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21966715 + ... + 21972682.

Almost surely, 2^131115160648 is an apocalyptic number.

It is an amenable number.

131115160648 is a deficient number, since it is larger than the sum of its proper divisors (115384862132).

131115160648 is a wasteful number, since it uses less digits than its factorization.

131115160648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43939776 (or 43939772 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 37.

Adding to 131115160648 its reverse (846061511131), we get a palindrome (977176671779).

The spelling of 131115160648 in words is "one hundred thirty-one billion, one hundred fifteen million, one hundred sixty thousand, six hundred forty-eight".