10515105056 has 12 divisors (see below), whose sum is σ = 20701613142. Its totient is φ = 5257552512.

The previous prime is 10515105053. The next prime is 10515105071. The reversal of 10515105056 is 65050151501.

It is a happy number.

10515105056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8151200656 + 2363904400 = 90284^2 + 48620^2 .

It is a super-2 number, since 2×10515105056² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10515105053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164298485 + ... + 164298548.

Almost surely, 2^10515105056 is an apocalyptic number.

10515105056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10515105056 is a deficient number, since it is larger than the sum of its proper divisors (10186508086).

10515105056 is an equidigital number, since it uses as much as digits as its factorization.

10515105056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328597043 (or 328597035 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

Adding to 10515105056 its reverse (65050151501), we get a palindrome (75565256557).

The spelling of 10515105056 in words is "ten billion, five hundred fifteen million, one hundred five thousand, fifty-six".