2015709712 has 10 divisors (see below), whose sum is σ = 3905437598. Its totient is φ = 1007854848.

The previous prime is 2015709701. The next prime is 2015709739. The reversal of 2015709712 is 2179075102.

It can be written as a sum of positive squares in only one way, i.e., 1789628416 + 226081296 = 42304^2 + 15036^2 .

It is a super-2 number, since 2×2015709712² = 8126171286102245888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62990913 + ... + 62990944.

Almost surely, 2^2015709712 is an apocalyptic number.

It is an amenable number.

2015709712 is a deficient number, since it is larger than the sum of its proper divisors (1889727886).

2015709712 is a wasteful number, since it uses less digits than its factorization.

2015709712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125981865 (or 125981859 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 2015709712 is about 44896.6559111032. The cubic root of 2015709712 is about 1263.2112829106.

The spelling of 2015709712 in words is "two billion, fifteen million, seven hundred nine thousand, seven hundred twelve".