420556506500101 has 8 divisors (see below), whose sum is σ = 426297974526144. Its totient is φ = 414831098525760.

The previous prime is 420556506500099. The next prime is 420556506500173. The reversal of 420556506500101 is 101005605655024.

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

It is a cyclic number.

It is not a de Polignac number, because 420556506500101 - 2¹ = 420556506500099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420556506503101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4014960196 + ... + 4015064941.

It is an arithmetic number, because the mean of its divisors is an integer number (53287246815768).

Almost surely, 2^{420556506500101} is an apocalyptic number.

It is an amenable number.

420556506500101 is a deficient number, since it is larger than the sum of its proper divisors (5741468026043).

420556506500101 is an equidigital number, since it uses as much as digits as its factorization.

420556506500101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8030025851.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 420556506500101 in words is "four hundred twenty trillion, five hundred fifty-six billion, five hundred six million, five hundred thousand, one hundred one".