131115160649 has 24 divisors (see below), whose sum is σ = 145176756480. Its totient is φ = 118322566560.

The previous prime is 131115160597. The next prime is 131115160691. The reversal of 131115160649 is 946061511131.

It is a happy number.

It is not a de Polignac number, because 131115160649 - 2¹⁶ = 131115095113 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131115160349) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13142027 + ... + 13151999.

It is an arithmetic number, because the mean of its divisors is an integer number (6049031520).

Almost surely, 2^131115160649 is an apocalyptic number.

It is an amenable number.

131115160649 is a deficient number, since it is larger than the sum of its proper divisors (14061595831).

131115160649 is a wasteful number, since it uses less digits than its factorization.

131115160649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10781 (or 10770 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 131115160649 in words is "one hundred thirty-one billion, one hundred fifteen million, one hundred sixty thousand, six hundred forty-nine".