511031340441 has 24 divisors (see below), whose sum is σ = 799027164960. Its totient is φ = 322756629912.

The previous prime is 511031340431. The next prime is 511031340451. The reversal of 511031340441 is 144043130115.

It is an interprime number because it is at equal distance from previous prime (511031340431) and next prime (511031340451).

It is not a de Polignac number, because 511031340441 - 2¹¹ = 511031338393 is a prime.

It is a super-2 number, since 2×511031340441² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (511031340431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26205055 + ... + 26224548.

It is an arithmetic number, because the mean of its divisors is an integer number (33292798540).

Almost surely, 2^511031340441 is an apocalyptic number.

It is an amenable number.

511031340441 is a deficient number, since it is larger than the sum of its proper divisors (287995824519).

511031340441 is a wasteful number, since it uses less digits than its factorization.

511031340441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52429650 (or 52429625 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

Adding to 511031340441 its reverse (144043130115), we get a palindrome (655074470556).

The spelling of 511031340441 in words is "five hundred eleven billion, thirty-one million, three hundred forty thousand, four hundred forty-one".