420511104304355 has 4 divisors (see below), whose sum is σ = 504613325165232. Its totient is φ = 336408883443480.

The previous prime is 420511104304349. The next prime is 420511104304441. The reversal of 420511104304355 is 553403401115024.

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

It is not a de Polignac number, because 420511104304355 - 2³⁸ = 420236226397411 is a prime.

It is a Duffinian 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, 42051110430431 + ... + 42051110430440.

It is an arithmetic number, because the mean of its divisors is an integer number (126153331291308).

Almost surely, 2^{420511104304355} is an apocalyptic number.

420511104304355 is a deficient number, since it is larger than the sum of its proper divisors (84102220860877).

420511104304355 is an equidigital number, since it uses as much as digits as its factorization.

420511104304355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84102220860876.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 420511104304355 its reverse (553403401115024), we get a palindrome (973914505419379).

The spelling of 420511104304355 in words is "four hundred twenty trillion, five hundred eleven billion, one hundred four million, three hundred four thousand, three hundred fifty-five".