515451304011 has 16 divisors (see below), whose sum is σ = 785473920000. Its totient is φ = 294534484608.

The previous prime is 515451304009. The next prime is 515451304021. The reversal of 515451304011 is 110403154515.

It is not a de Polignac number, because 515451304011 - 2¹ = 515451304009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 515451304011.

It is not an unprimeable number, because it can be changed into a prime (515451304001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346990 + ... + 1072988.

It is an arithmetic number, because the mean of its divisors is an integer number (49092120000).

Almost surely, 2^515451304011 is an apocalyptic number.

515451304011 is a deficient number, since it is larger than the sum of its proper divisors (270022615989).

515451304011 is a wasteful number, since it uses less digits than its factorization.

515451304011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 759818.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 515451304011 its reverse (110403154515), we get a palindrome (625854458526).

The spelling of 515451304011 in words is "five hundred fifteen billion, four hundred fifty-one million, three hundred four thousand, eleven".