511412113531 has 8 divisors (see below), whose sum is σ = 558250023024. Its totient is φ = 464631853920.

The previous prime is 511412113493. The next prime is 511412113559. The reversal of 511412113531 is 135311214115.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 511412113531 - 2¹⁹ = 511411589243 is a prime.

It is a super-2 number, since 2×511412113531² (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 511412113531.

It is not an unprimeable number, because it can be changed into a prime (511412113231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14393916 + ... + 14429401.

It is an arithmetic number, because the mean of its divisors is an integer number (69781252878).

Almost surely, 2^511412113531 is an apocalyptic number.

511412113531 is a deficient number, since it is larger than the sum of its proper divisors (46837909493).

511412113531 is a wasteful number, since it uses less digits than its factorization.

511412113531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28824941.

The product of its digits is 1800, while the sum is 28.

Adding to 511412113531 its reverse (135311214115), we get a palindrome (646723327646).

The spelling of 511412113531 in words is "five hundred eleven billion, four hundred twelve million, one hundred thirteen thousand, five hundred thirty-one".