511475005555243 has 8 divisors (see below), whose sum is σ = 517646455678800. Its totient is φ = 505303772114208.

The previous prime is 511475005555201. The next prime is 511475005555247. The reversal of 511475005555243 is 342555500574115.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-511475005555243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511475005555247) 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, 49418688 + ... + 58865581.

It is an arithmetic number, because the mean of its divisors is an integer number (64705806959850).

Almost surely, 2^{511475005555243} is an apocalyptic number.

511475005555243 is a deficient number, since it is larger than the sum of its proper divisors (6171450123557).

511475005555243 is a wasteful number, since it uses less digits than its factorization.

511475005555243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108341261.

The product of its (nonzero) digits is 10500000, while the sum is 52.

The spelling of 511475005555243 in words is "five hundred eleven trillion, four hundred seventy-five billion, five million, five hundred fifty-five thousand, two hundred forty-three".