421231573255 has 12 divisors (see below), whose sum is σ = 519508692360. Its totient is φ = 327877543584.

The previous prime is 421231573193. The next prime is 421231573261. The reversal of 421231573255 is 552375132124.

It is not a de Polignac number, because 421231573255 - 2¹³ = 421231565063 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 30762445 + ... + 30776134.

It is an arithmetic number, because the mean of its divisors is an integer number (43292391030).

Almost surely, 2^421231573255 is an apocalyptic number.

421231573255 is a deficient number, since it is larger than the sum of its proper divisors (98277119105).

421231573255 is an equidigital number, since it uses as much as digits as its factorization.

421231573255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61538658 (or 61538621 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The spelling of 421231573255 in words is "four hundred twenty-one billion, two hundred thirty-one million, five hundred seventy-three thousand, two hundred fifty-five".