65550120103 has 8 divisors (see below), whose sum is σ = 70596964368. Its totient is φ = 60503922624.

The previous prime is 65550120091. The next prime is 65550120109. The reversal of 65550120103 is 30102105556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 65550120103 - 2¹³ = 65550111911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65550120109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60075 + ... + 367027.

It is an arithmetic number, because the mean of its divisors is an integer number (8824620546).

Almost surely, 2^65550120103 is an apocalyptic number.

65550120103 is a deficient number, since it is larger than the sum of its proper divisors (5046844265).

65550120103 is a wasteful number, since it uses less digits than its factorization.

65550120103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323393.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 65550120103 its reverse (30102105556), we get a palindrome (95652225659).

The spelling of 65550120103 in words is "sixty-five billion, five hundred fifty million, one hundred twenty thousand, one hundred three".