421144011355 has 8 divisors (see below), whose sum is σ = 517698980064. Its totient is φ = 328697764800.

The previous prime is 421144011269. The next prime is 421144011361. The reversal of 421144011355 is 553110441124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-421144011355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1027180311 + ... + 1027180720.

It is an arithmetic number, because the mean of its divisors is an integer number (64712372508).

Almost surely, 2^421144011355 is an apocalyptic number.

421144011355 is a deficient number, since it is larger than the sum of its proper divisors (96554968709).

421144011355 is a wasteful number, since it uses less digits than its factorization.

421144011355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2054361077.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 421144011355 its reverse (553110441124), we get a palindrome (974254452479).

The spelling of 421144011355 in words is "four hundred twenty-one billion, one hundred forty-four million, eleven thousand, three hundred fifty-five".