102865660603 has 4 divisors (see below), whose sum is σ = 108279642760. Its totient is φ = 97451678448.

The previous prime is 102865660577. The next prime is 102865660609. The reversal of 102865660603 is 306066568201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306066568201 = 587 ⋅521408123.

It is a cyclic number.

It is not a de Polignac number, because 102865660603 - 2¹³ = 102865652411 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102865660603.

It is not an unprimeable number, because it can be changed into a prime (102865660609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2706991050 + ... + 2706991087.

It is an arithmetic number, because the mean of its divisors is an integer number (27069910690).

Almost surely, 2^102865660603 is an apocalyptic number.

102865660603 is a deficient number, since it is larger than the sum of its proper divisors (5413982157).

102865660603 is an equidigital number, since it uses as much as digits as its factorization.

102865660603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413982156.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 102865660603 in words is "one hundred two billion, eight hundred sixty-five million, six hundred sixty thousand, six hundred three".