420578135611 has 8 divisors (see below), whose sum is σ = 420929793648. Its totient is φ = 420226620000.

The previous prime is 420578135609. The next prime is 420578135639. The reversal of 420578135611 is 116531875024.

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 420578135611 - 2¹ = 420578135609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420578135671) 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, 6341241 + ... + 6407221.

It is an arithmetic number, because the mean of its divisors is an integer number (52616224206).

Almost surely, 2^420578135611 is an apocalyptic number.

420578135611 is a deficient number, since it is larger than the sum of its proper divisors (351658037).

420578135611 is a wasteful number, since it uses less digits than its factorization.

420578135611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71213.

The product of its (nonzero) digits is 201600, while the sum is 43.

The spelling of 420578135611 in words is "four hundred twenty billion, five hundred seventy-eight million, one hundred thirty-five thousand, six hundred eleven".