420453541135155 has 64 divisors (see below), whose sum is σ = 734633982627840. Its totient is φ = 203647624329600.

The previous prime is 420453541135139. The next prime is 420453541135213. The reversal of 420453541135155 is 551531145354024.

It is not a de Polignac number, because 420453541135155 - 2⁴ = 420453541135139 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 714929754 + ... + 715517616.

It is an arithmetic number, because the mean of its divisors is an integer number (11478655978560).

Almost surely, 2^{420453541135155} is an apocalyptic number.

420453541135155 is a deficient number, since it is larger than the sum of its proper divisors (314180441492685).

420453541135155 is a wasteful number, since it uses less digits than its factorization.

420453541135155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592312.

The product of its (nonzero) digits is 3600000, while the sum is 48.

Adding to 420453541135155 its reverse (551531145354024), we get a palindrome (971984686489179).

The spelling of 420453541135155 in words is "four hundred twenty trillion, four hundred fifty-three billion, five hundred forty-one million, one hundred thirty-five thousand, one hundred fifty-five".