10515715500068 has 12 divisors (see below), whose sum is σ = 19485002250252. Its totient is φ = 4948572000000.

The previous prime is 10515715500049. The next prime is 10515715500079. The reversal of 10515715500068 is 86000551751501.

It can be written as a sum of positive squares in 2 ways, for example, as 7611683709184 + 2904031790884 = 2758928^2 + 1704122^2 .

It is a super-2 number, since 2×10515715500068² (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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77321437433 + ... + 77321437568.

It is an arithmetic number, because the mean of its divisors is an integer number (1623750187521).

Almost surely, 2^{10515715500068} is an apocalyptic number.

It is an amenable number.

10515715500068 is a deficient number, since it is larger than the sum of its proper divisors (8969286750184).

10515715500068 is a wasteful number, since it uses less digits than its factorization.

10515715500068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154642875022 (or 154642875020 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 44.

The spelling of 10515715500068 in words is "ten trillion, five hundred fifteen billion, seven hundred fifteen million, five hundred thousand, sixty-eight".