10556112015 has 24 divisors (see below), whose sum is σ = 18304007280. Its totient is φ = 5627850624.

The previous prime is 10556111983. The next prime is 10556112031. The reversal of 10556112015 is 51021165501.

10556112015 is a `hidden beast` number, since 10 + 5 + 5 + 611 + 20 + 15 = 666.

It is not a de Polignac number, because 10556112015 - 2⁵ = 10556111983 is a prime.

It is a super-2 number, since 2×10556112015² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10556112015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84291 + ... + 167979.

It is an arithmetic number, because the mean of its divisors is an integer number (762666970).

Almost surely, 2^10556112015 is an apocalyptic number.

10556112015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10556112015 is a deficient number, since it is larger than the sum of its proper divisors (7747895265).

10556112015 is a wasteful number, since it uses less digits than its factorization.

10556112015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86503 (or 86500 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

Adding to 10556112015 its reverse (51021165501), we get a palindrome (61577277516).

The spelling of 10556112015 in words is "ten billion, five hundred fifty-six million, one hundred twelve thousand, fifteen".