10515110111601 has 12 divisors (see below), whose sum is σ = 14796886252752. Its totient is φ = 6641122175064.

The previous prime is 10515110111591. The next prime is 10515110111641. The reversal of 10515110111601 is 10611101151501.

It is a happy number.

It is not a de Polignac number, because 10515110111601 - 2⁶ = 10515110111537 is a prime.

It is a super-2 number, since 2×10515110111601² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10515110111641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4854620391 + ... + 4854622556.

It is an arithmetic number, because the mean of its divisors is an integer number (1233073854396).

Almost surely, 2^{10515110111601} is an apocalyptic number.

It is an amenable number.

10515110111601 is a deficient number, since it is larger than the sum of its proper divisors (4281776141151).

10515110111601 is an equidigital number, since it uses as much as digits as its factorization.

10515110111601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709242988 (or 9709242969 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 24.

The spelling of 10515110111601 in words is "ten trillion, five hundred fifteen billion, one hundred ten million, one hundred eleven thousand, six hundred one".