511203034430349 has 16 divisors (see below), whose sum is σ = 721718859813120. Its totient is φ = 320745752570880.

The previous prime is 511203034430329. The next prime is 511203034430399. The reversal of 511203034430349 is 943034430302115.

It is not a de Polignac number, because 511203034430349 - 2²¹ = 511203032333197 is a prime.

It is a super-2 number, since 2×511203034430349² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511203034430349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511203034430329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140254309 + ... + 143852970.

It is an arithmetic number, because the mean of its divisors is an integer number (45107428738320).

Almost surely, 2^{511203034430349} is an apocalyptic number.

It is an amenable number.

511203034430349 is a deficient number, since it is larger than the sum of its proper divisors (210515825382771).

511203034430349 is a wasteful number, since it uses less digits than its factorization.

511203034430349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284142580.

The product of its (nonzero) digits is 466560, while the sum is 42.

The spelling of 511203034430349 in words is "five hundred eleven trillion, two hundred three billion, thirty-four million, four hundred thirty thousand, three hundred forty-nine".