131044445544 has 16 divisors (see below), whose sum is σ = 327611113920. Its totient is φ = 43681481840.

The previous prime is 131044445533. The next prime is 131044445551. The reversal of 131044445544 is 445544440131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2730092592 + ... + 2730092639.

It is an arithmetic number, because the mean of its divisors is an integer number (20475694620).

Almost surely, 2^131044445544 is an apocalyptic number.

It is an amenable number.

131044445544 is an abundant number, since it is smaller than the sum of its proper divisors (196566668376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131044445544 is a wasteful number, since it uses less digits than its factorization.

131044445544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5460185240 (or 5460185236 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 39.

Adding to 131044445544 its reverse (445544440131), we get a palindrome (576588885675).

The spelling of 131044445544 in words is "one hundred thirty-one billion, forty-four million, four hundred forty-five thousand, five hundred forty-four".