420232055114521 has 4 divisors (see below), whose sum is σ = 452557597815652. Its totient is φ = 387906512413392.

The previous prime is 420232055114513. The next prime is 420232055114533. The reversal of 420232055114521 is 125411550232024.

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 206151848124121 + 214080206990400 = 14357989^2 + 14631480^2 .

It is a cyclic number.

It is not a de Polignac number, because 420232055114521 - 2³ = 420232055114513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420232055112521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16162771350546 + ... + 16162771350571.

It is an arithmetic number, because the mean of its divisors is an integer number (113139399453913).

Almost surely, 2^{420232055114521} is an apocalyptic number.

It is an amenable number.

420232055114521 is a deficient number, since it is larger than the sum of its proper divisors (32325542701131).

420232055114521 is a wasteful number, since it uses less digits than its factorization.

420232055114521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32325542701130.

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 420232055114521 in words is "four hundred twenty trillion, two hundred thirty-two billion, fifty-five million, one hundred fourteen thousand, five hundred twenty-one".