131643111448 has 32 divisors (see below), whose sum is σ = 248268252960. Its totient is φ = 65438461440.

The previous prime is 131643111419. The next prime is 131643111449. The reversal of 131643111448 is 844111346131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131643111449) 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 7 ways as a sum of consecutive naturals, for example, 5697936 + ... + 5720992.

It is an arithmetic number, because the mean of its divisors is an integer number (7758382905).

Almost surely, 2^131643111448 is an apocalyptic number.

It is an amenable number.

131643111448 is a deficient number, since it is larger than the sum of its proper divisors (116625141512).

131643111448 is a wasteful number, since it uses less digits than its factorization.

131643111448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27187 (or 27183 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

Adding to 131643111448 its reverse (844111346131), we get a palindrome (975754457579).

The spelling of 131643111448 in words is "one hundred thirty-one billion, six hundred forty-three million, one hundred eleven thousand, four hundred forty-eight".