515015160 has 128 divisors (see below), whose sum is σ = 1702632960. Its totient is φ = 123584000.

The previous prime is 515015117. The next prime is 515015167. The reversal of 515015160 is 61510515.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 515015160.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515015167) 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, 131389 + ... + 135251.

It is an arithmetic number, because the mean of its divisors is an integer number (13301820).

Almost surely, 2^515015160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515015160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851316480).

515015160 is an abundant number, since it is smaller than the sum of its proper divisors (1187617800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

515015160 is a wasteful number, since it uses less digits than its factorization.

515015160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989 (or 3985 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 515015160 is about 22693.9454480705. The cubic root of 515015160 is about 801.5673232005.

Adding to 515015160 its reverse (61510515), we get a palindrome (576525675).

The spelling of 515015160 in words is "five hundred fifteen million, fifteen thousand, one hundred sixty".