10515522121105 has 16 divisors (see below), whose sum is σ = 13031906952960. Its totient is φ = 8140919619712.

The previous prime is 10515522121081. The next prime is 10515522121147. The reversal of 10515522121105 is 50112122551501.

It is a cyclic number.

It is not a de Polignac number, because 10515522121105 - 2¹⁷ = 10515521990033 is a prime.

It is a super-2 number, since 2×10515522121105² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251366179 + ... + 251408008.

It is an arithmetic number, because the mean of its divisors is an integer number (814494184560).

Almost surely, 2^{10515522121105} is an apocalyptic number.

It is an amenable number.

10515522121105 is a deficient number, since it is larger than the sum of its proper divisors (2516384831855).

10515522121105 is an equidigital number, since it uses as much as digits as its factorization.

10515522121105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502774328.

The product of its (nonzero) digits is 5000, while the sum is 31.

Adding to 10515522121105 its reverse (50112122551501), we get a palindrome (60627644672606).

The spelling of 10515522121105 in words is "ten trillion, five hundred fifteen billion, five hundred twenty-two million, one hundred twenty-one thousand, one hundred five".