431212660505025 has 48 divisors (see below), whose sum is σ = 857670093696000. Its totient is φ = 186750746199360.

The previous prime is 431212660505023. The next prime is 431212660505047. The reversal of 431212660505025 is 520505066212134.

It is not a de Polignac number, because 431212660505025 - 2¹ = 431212660505023 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (431212660505023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21614659725 + ... + 21614679674.

It is an arithmetic number, because the mean of its divisors is an integer number (17868126952000).

Almost surely, 2^{431212660505025} is an apocalyptic number.

It is an amenable number.

431212660505025 is a deficient number, since it is larger than the sum of its proper divisors (426457433190975).

431212660505025 is a wasteful number, since it uses less digits than its factorization.

431212660505025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43229339438 (or 43229339433 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 431212660505025 in words is "four hundred thirty-one trillion, two hundred twelve billion, six hundred sixty million, five hundred five thousand, twenty-five".