511545034441 has 16 divisors (see below), whose sum is σ = 599171549184. Its totient is φ = 427621616784.

The previous prime is 511545034433. The next prime is 511545034487. The reversal of 511545034441 is 144430545115.

It is not a de Polignac number, because 511545034441 - 2³ = 511545034433 is a prime.

It is a super-2 number, since 2×511545034441² (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 511545034441.

It is not an unprimeable number, because it can be changed into a prime (511545034411) 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, 2653975 + ... + 2840188.

It is an arithmetic number, because the mean of its divisors is an integer number (37448221824).

Almost surely, 2^511545034441 is an apocalyptic number.

It is an amenable number.

511545034441 is a deficient number, since it is larger than the sum of its proper divisors (87626514743).

511545034441 is a wasteful number, since it uses less digits than its factorization.

511545034441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494500.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 511545034441 its reverse (144430545115), we get a palindrome (655975579556).

The spelling of 511545034441 in words is "five hundred eleven billion, five hundred forty-five million, thirty-four thousand, four hundred forty-one".