1515006680 has 128 divisors (see below), whose sum is σ = 3997486080. Its totient is φ = 510597120.

The previous prime is 1515006671. The next prime is 1515006721. The reversal of 1515006680 is 866005151.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 499649 + ... + 502671.

It is an arithmetic number, because the mean of its divisors is an integer number (31230360).

Almost surely, 2^1515006680 is an apocalyptic number.

1515006680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1515006680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1998743040).

1515006680 is an abundant number, since it is smaller than the sum of its proper divisors (2482479400).

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

1515006680 is a wasteful number, since it uses less digits than its factorization.

1515006680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3125 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 1515006680 is about 38923.0867224068. The cubic root of 1515006680 is about 1148.5189958691.

The spelling of 1515006680 in words is "one billion, five hundred fifteen million, six thousand, six hundred eighty".