515665115150 has 24 divisors (see below), whose sum is σ = 962034840264. Its totient is φ = 205642879200.

The previous prime is 515665115101. The next prime is 515665115153. The reversal of 515665115150 is 51511566515.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 515665115098 and 515665115107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515665115153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15562457 + ... + 15595556.

It is an arithmetic number, because the mean of its divisors is an integer number (40084785011).

Almost surely, 2^515665115150 is an apocalyptic number.

515665115150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

515665115150 is a deficient number, since it is larger than the sum of its proper divisors (446369725114).

515665115150 is a wasteful number, since it uses less digits than its factorization.

515665115150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31158356 (or 31158351 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 41.

The spelling of 515665115150 in words is "five hundred fifteen billion, six hundred sixty-five million, one hundred fifteen thousand, one hundred fifty".