511013325535311 has 16 divisors (see below), whose sum is σ = 717922499398400. Its totient is φ = 322425391736448.

The previous prime is 511013325535261. The next prime is 511013325535333. The reversal of 511013325535311 is 113535523310115.

It is not a de Polignac number, because 511013325535311 - 2¹⁸ = 511013325273167 is a prime.

It is a super-2 number, since 2×511013325535311² (a number of 30 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 511013325535311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511013325535381) 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, 4442532211 + ... + 4442647236.

It is an arithmetic number, because the mean of its divisors is an integer number (44870156212400).

Almost surely, 2^{511013325535311} is an apocalyptic number.

511013325535311 is a deficient number, since it is larger than the sum of its proper divisors (206909173863089).

511013325535311 is a wasteful number, since it uses less digits than its factorization.

511013325535311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885180478.

The product of its (nonzero) digits is 101250, while the sum is 39.

Adding to 511013325535311 its reverse (113535523310115), we get a palindrome (624548848845426).

The spelling of 511013325535311 in words is "five hundred eleven trillion, thirteen billion, three hundred twenty-five million, five hundred thirty-five thousand, three hundred eleven".