131066554600 has 24 divisors (see below), whose sum is σ = 304729739910. Its totient is φ = 52426621760.

The previous prime is 131066554561. The next prime is 131066554601. The reversal of 131066554600 is 6455660131.

It can be written as a sum of positive squares in 3 ways, for example, as 111573368676 + 19493185924 = 334026^2 + 139618^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 131066554600.

It is not an unprimeable number, because it can be changed into a prime (131066554601) 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 5 ways as a sum of consecutive naturals, for example, 327666187 + ... + 327666586.

Almost surely, 2^131066554600 is an apocalyptic number.

131066554600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131066554600 is an abundant number, since it is smaller than the sum of its proper divisors (173663185310).

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

131066554600 is a wasteful number, since it uses less digits than its factorization.

131066554600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655332789 (or 655332780 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 131066554600 in words is "one hundred thirty-one billion, sixty-six million, five hundred fifty-four thousand, six hundred".