421155056013 has 8 divisors (see below), whose sum is σ = 561544007328. Its totient is φ = 280768071024.

The previous prime is 421155055969. The next prime is 421155056029. The reversal of 421155056013 is 310650551124.

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

It is not a de Polignac number, because 421155056013 - 2⁸ = 421155055757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (421155056083) 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 7 ways as a sum of consecutive naturals, for example, 115170 + ... + 924972.

It is an arithmetic number, because the mean of its divisors is an integer number (70193000916).

Almost surely, 2^421155056013 is an apocalyptic number.

It is an amenable number.

421155056013 is a deficient number, since it is larger than the sum of its proper divisors (140388951315).

421155056013 is a wasteful number, since it uses less digits than its factorization.

421155056013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983163.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 421155056013 in words is "four hundred twenty-one billion, one hundred fifty-five million, fifty-six thousand, thirteen".