2015700056 has 16 divisors (see below), whose sum is σ = 3871619640. Its totient is φ = 983268160.

The previous prime is 2015700031. The next prime is 2015700067. The reversal of 2015700056 is 6500075102.

It is a junction number, because it is equal to n+sod(n) for n = 2015699998 and 2015700034.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3072386 + ... + 3073041.

Almost surely, 2^2015700056 is an apocalyptic number.

It is an amenable number.

2015700056 is a deficient number, since it is larger than the sum of its proper divisors (1855919584).

2015700056 is a wasteful number, since it uses less digits than its factorization.

2015700056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145474 (or 6145470 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 2015700056 is about 44896.5483751257. The cubic root of 2015700056 is about 1263.2092658233.

Adding to 2015700056 its reverse (6500075102), we get a palindrome (8515775158).

The spelling of 2015700056 in words is "two billion, fifteen million, seven hundred thousand, fifty-six".