431065555104001 has 4 divisors (see below), whose sum is σ = 432344681380612. Its totient is φ = 429786428827392.

The previous prime is 431065555103977. The next prime is 431065555104011. The reversal of 431065555104001 is 100401555560134.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 140395483299600 + 290670071804401 = 11848860^2 + 17049049^2 .

It is a cyclic number.

It is not a de Polignac number, because 431065555104001 - 2²⁷ = 431065420886273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431065555104011) 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 3 ways as a sum of consecutive naturals, for example, 639563137800 + ... + 639563138473.

It is an arithmetic number, because the mean of its divisors is an integer number (108086170345153).

Almost surely, 2^{431065555104001} is an apocalyptic number.

It is an amenable number.

431065555104001 is a deficient number, since it is larger than the sum of its proper divisors (1279126276611).

431065555104001 is a wasteful number, since it uses less digits than its factorization.

431065555104001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279126276610.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 431065555104001 in words is "four hundred thirty-one trillion, sixty-five billion, five hundred fifty-five million, one hundred four thousand, one".