131641712542500 has 120 divisors (see below), whose sum is σ = 387632449659840. Its totient is φ = 34756887600000.

The previous prime is 131641712542349. The next prime is 131641712542577. The reversal of 131641712542500 is 5245217146131.

It is a happy number.

It is a super-2 number, since 2×131641712542500² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 86134720 + ... + 87649719.

It is an arithmetic number, because the mean of its divisors is an integer number (3230270413832).

Almost surely, 2^{131641712542500} is an apocalyptic number.

131641712542500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131641712542500 is an abundant number, since it is smaller than the sum of its proper divisors (255990737117340).

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

131641712542500 is a wasteful number, since it uses less digits than its factorization.

131641712542500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173784567 (or 173784550 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

Adding to 131641712542500 its reverse (5245217146131), we get a palindrome (136886929688631).

The spelling of 131641712542500 in words is "one hundred thirty-one trillion, six hundred forty-one billion, seven hundred twelve million, five hundred forty-two thousand, five hundred".