10260661515 has 32 divisors (see below), whose sum is σ = 17724576576. Its totient is φ = 5038640640.

The previous prime is 10260661513. The next prime is 10260661547. The reversal of 10260661515 is 51516606201.

It is not a de Polignac number, because 10260661515 - 2¹ = 10260661513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10260661513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11145 + ... + 143685.

It is an arithmetic number, because the mean of its divisors is an integer number (553893018).

Almost surely, 2^10260661515 is an apocalyptic number.

10260661515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10260661515 is a deficient number, since it is larger than the sum of its proper divisors (7463915061).

10260661515 is a wasteful number, since it uses less digits than its factorization.

10260661515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132959.

The product of its (nonzero) digits is 10800, while the sum is 33.

The spelling of 10260661515 in words is "ten billion, two hundred sixty million, six hundred sixty-one thousand, five hundred fifteen".