511031340205 has 8 divisors (see below), whose sum is σ = 616448277504. Its totient is φ = 406684626000.

The previous prime is 511031340181. The next prime is 511031340221. The reversal of 511031340205 is 502043130115.

It is a happy number.

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

It is not a de Polignac number, because 511031340205 - 2¹¹ = 511031338157 is a prime.

It is a super-2 number, since 2×511031340205² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 511031340205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267554721 + ... + 267556630.

It is an arithmetic number, because the mean of its divisors is an integer number (77056034688).

Almost surely, 2^511031340205 is an apocalyptic number.

It is an amenable number.

511031340205 is a deficient number, since it is larger than the sum of its proper divisors (105416937299).

511031340205 is a wasteful number, since it uses less digits than its factorization.

511031340205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535111547.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 511031340205 in words is "five hundred eleven billion, thirty-one million, three hundred forty thousand, two hundred five".