1515530012 has 12 divisors (see below), whose sum is σ = 2713856376. Its totient is φ = 740142480.

The previous prime is 1515530011. The next prime is 1515530021. The reversal of 1515530012 is 2100355151.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1515530012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515530011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4405439 + ... + 4405782.

It is an arithmetic number, because the mean of its divisors is an integer number (226154698).

Almost surely, 2^1515530012 is an apocalyptic number.

It is an amenable number.

1515530012 is a deficient number, since it is larger than the sum of its proper divisors (1198326364).

1515530012 is a wasteful number, since it uses less digits than its factorization.

1515530012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8811268 (or 8811266 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1515530012 is about 38929.8087845291. The cubic root of 1515530012 is about 1148.6512257698.

Adding to 1515530012 its reverse (2100355151), we get a palindrome (3615885163).

The spelling of 1515530012 in words is "one billion, five hundred fifteen million, five hundred thirty thousand, twelve".