431124135512066 has 16 divisors (see below), whose sum is σ = 646814872187640. Its totient is φ = 215519182394880.

The previous prime is 431124135511981. The next prime is 431124135512101. The reversal of 431124135512066 is 660215531421134.

It can be written as a sum of positive squares in 4 ways, for example, as 400966783464025 + 30157352048041 = 20024155^2 + 5491571^2 .

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 7 ways as a sum of consecutive naturals, for example, 202381760 + ... + 204500916.

Almost surely, 2^{431124135512066} is an apocalyptic number.

431124135512066 is a deficient number, since it is larger than the sum of its proper divisors (215690736675574).

431124135512066 is a wasteful number, since it uses less digits than its factorization.

431124135512066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139349.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 431124135512066 in words is "four hundred thirty-one trillion, one hundred twenty-four billion, one hundred thirty-five million, five hundred twelve thousand, sixty-six".