103865739025 has 12 divisors (see below), whose sum is σ = 131223584412. Its totient is φ = 81524805440.

The previous prime is 103865738981. The next prime is 103865739067. The reversal of 103865739025 is 520937568301.

It can be written as a sum of positive squares in 6 ways, for example, as 4192303504 + 99673435521 = 64748^2 + 315711^2 .

It is not a de Polignac number, because 103865739025 - 2⁷ = 103865738897 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 103865739025.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 39193294 + ... + 39195943.

It is an arithmetic number, because the mean of its divisors is an integer number (10935298701).

Almost surely, 2^103865739025 is an apocalyptic number.

It is an amenable number.

103865739025 is a deficient number, since it is larger than the sum of its proper divisors (27357845387).

103865739025 is an equidigital number, since it uses as much as digits as its factorization.

103865739025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78389300 (or 78389295 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 103865739025 in words is "one hundred three billion, eight hundred sixty-five million, seven hundred thirty-nine thousand, twenty-five".