131500541544505 has 32 divisors (see below), whose sum is σ = 180916026370560. Its totient is φ = 89885597729280.

The previous prime is 131500541544431. The next prime is 131500541544509. The reversal of 131500541544505 is 505445145005131.

It is not a de Polignac number, because 131500541544505 - 2¹³ = 131500541536313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131500541544509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 858332460 + ... + 858485650.

It is an arithmetic number, because the mean of its divisors is an integer number (5653625824080).

Almost surely, 2^{131500541544505} is an apocalyptic number.

It is an amenable number.

131500541544505 is a deficient number, since it is larger than the sum of its proper divisors (49415484826055).

131500541544505 is a wasteful number, since it uses less digits than its factorization.

131500541544505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230889.

The product of its (nonzero) digits is 600000, while the sum is 43.

Adding to 131500541544505 its reverse (505445145005131), we get a palindrome (636945686549636).

The spelling of 131500541544505 in words is "one hundred thirty-one trillion, five hundred billion, five hundred forty-one million, five hundred forty-four thousand, five hundred five".