131121410566 has 8 divisors (see below), whose sum is σ = 196980573240. Its totient is φ = 65461219488.

The previous prime is 131121410527. The next prime is 131121410599. The reversal of 131121410566 is 665014121131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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, 49741251 + ... + 49743886.

It is an arithmetic number, because the mean of its divisors is an integer number (24622571655).

Almost surely, 2^131121410566 is an apocalyptic number.

131121410566 is a deficient number, since it is larger than the sum of its proper divisors (65859162674).

131121410566 is an equidigital number, since it uses as much as digits as its factorization.

131121410566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99485798.

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 131121410566 its reverse (665014121131), we get a palindrome (796135531697).

The spelling of 131121410566 in words is "one hundred thirty-one billion, one hundred twenty-one million, four hundred ten thousand, five hundred sixty-six".