420503608015 has 4 divisors (see below), whose sum is σ = 504604329624. Its totient is φ = 336402886408.

The previous prime is 420503607989. The next prime is 420503608033. The reversal of 420503608015 is 510806305024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420503608015 - 2¹¹ = 420503605967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42050360797 + ... + 42050360806.

It is an arithmetic number, because the mean of its divisors is an integer number (126151082406).

Almost surely, 2^420503608015 is an apocalyptic number.

420503608015 is a deficient number, since it is larger than the sum of its proper divisors (84100721609).

420503608015 is an equidigital number, since it uses as much as digits as its factorization.

420503608015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84100721608.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 420503608015 in words is "four hundred twenty billion, five hundred three million, six hundred eight thousand, fifteen".