10615665485 has 4 divisors (see below), whose sum is σ = 12738798588. Its totient is φ = 8492532384.

The previous prime is 10615665469. The next prime is 10615665491. The reversal of 10615665485 is 58456651601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58456651601 = 16007 ⋅3651943.

It can be written as a sum of positive squares in 2 ways, for example, as 1948427881 + 8667237604 = 44141^2 + 93098^2 .

It is a cyclic number.

It is not a de Polignac number, because 10615665485 - 2⁴ = 10615665469 is a prime.

It is a super-2 number, since 2×10615665485² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1061566544 + ... + 1061566553.

It is an arithmetic number, because the mean of its divisors is an integer number (3184699647).

Almost surely, 2^10615665485 is an apocalyptic number.

It is an amenable number.

10615665485 is a deficient number, since it is larger than the sum of its proper divisors (2123133103).

10615665485 is an equidigital number, since it uses as much as digits as its factorization.

10615665485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123133102.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 10615665485 in words is "ten billion, six hundred fifteen million, six hundred sixty-five thousand, four hundred eighty-five".