10515655551115 has 32 divisors (see below), whose sum is σ = 15696919336896. Its totient is φ = 6644198645760.

The previous prime is 10515655551109. The next prime is 10515655551131. The reversal of 10515655551115 is 51115555651501.

10515655551115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10515655551115 - 2⁵ = 10515655551083 is a prime.

It is a super-2 number, since 2×10515655551115² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 432552862 + ... + 432577171.

It is an arithmetic number, because the mean of its divisors is an integer number (490528729278).

Almost surely, 2^{10515655551115} is an apocalyptic number.

10515655551115 is a deficient number, since it is larger than the sum of its proper divisors (5181263785781).

10515655551115 is a wasteful number, since it uses less digits than its factorization.

10515655551115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865130079.

The product of its (nonzero) digits is 468750, while the sum is 46.

The spelling of 10515655551115 in words is "ten trillion, five hundred fifteen billion, six hundred fifty-five million, five hundred fifty-one thousand, one hundred fifteen".