515230011 has 32 divisors (see below), whose sum is σ = 809452800. Its totient is φ = 322989120.

The previous prime is 515229997. The next prime is 515230019. The reversal of 515230011 is 110032515.

It is not a de Polignac number, because 515230011 - 2⁶ = 515229947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (515230019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66616 + ... + 73946.

It is an arithmetic number, because the mean of its divisors is an integer number (25295400).

Almost surely, 2^515230011 is an apocalyptic number.

515230011 is a deficient number, since it is larger than the sum of its proper divisors (294222789).

515230011 is a wasteful number, since it uses less digits than its factorization.

515230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496 (or 7490 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 515230011 is about 22698.6786179284. The cubic root of 515230011 is about 801.6787720870.

Adding to 515230011 its reverse (110032515), we get a palindrome (625262526).

The spelling of 515230011 in words is "five hundred fifteen million, two hundred thirty thousand, eleven".