10601661515 has 32 divisors (see below), whose sum is σ = 14455756800. Its totient is φ = 7420533120.

The previous prime is 10601661493. The next prime is 10601661517. The reversal of 10601661515 is 51516610601.

10601661515 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 10601661515 - 2¹⁰ = 10601660491 is a prime.

It is a super-2 number, since 2×10601661515² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10601661517) 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 in 31 ways as a sum of consecutive naturals, for example, 20291 + ... + 147020.

It is an arithmetic number, because the mean of its divisors is an integer number (451742400).

Almost surely, 2^10601661515 is an apocalyptic number.

10601661515 is a deficient number, since it is larger than the sum of its proper divisors (3854095285).

10601661515 is a wasteful number, since it uses less digits than its factorization.

10601661515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167387.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 10601661515 in words is "ten billion, six hundred one million, six hundred sixty-one thousand, five hundred fifteen".