515420425011 has 8 divisors (see below), whose sum is σ = 691443352000. Its totient is φ = 341505557352.

The previous prime is 515420424979. The next prime is 515420425021. The reversal of 515420425011 is 110524024515.

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

It is not a de Polignac number, because 515420425011 - 2⁵ = 515420424979 is a prime.

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 515420425011.

It is not an unprimeable number, because it can be changed into a prime (515420425021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527014261 + ... + 527015238.

It is an arithmetic number, because the mean of its divisors is an integer number (86430419000).

Almost surely, 2^515420425011 is an apocalyptic number.

515420425011 is a deficient number, since it is larger than the sum of its proper divisors (176022926989).

515420425011 is a wasteful number, since it uses less digits than its factorization.

515420425011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1054029665.

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 515420425011 its reverse (110524024515), we get a palindrome (625944449526).

The spelling of 515420425011 in words is "five hundred fifteen billion, four hundred twenty million, four hundred twenty-five thousand, eleven".