103555345345 has 8 divisors (see below), whose sum is σ = 124383542760. Its totient is φ = 82766190720.

The previous prime is 103555345343. The next prime is 103555345363. The reversal of 103555345345 is 543543555301.

It can be written as a sum of positive squares in 4 ways, for example, as 42225318144 + 61330027201 = 205488^2 + 247649^2 .

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

It is not a de Polignac number, because 103555345345 - 2¹ = 103555345343 is a prime.

It is a super-3 number, since 3×103555345345³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (103555345343) 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, 9754860 + ... + 9765469.

It is an arithmetic number, because the mean of its divisors is an integer number (15547942845).

Almost surely, 2^103555345345 is an apocalyptic number.

It is an amenable number.

103555345345 is a deficient number, since it is larger than the sum of its proper divisors (20828197415).

103555345345 is a wasteful number, since it uses less digits than its factorization.

103555345345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19521395.

The product of its (nonzero) digits is 1350000, while the sum is 43.

It can be divided in two parts, 103555 and 345345, that added together give a square (448900 = 670²).

The spelling of 103555345345 in words is "one hundred three billion, five hundred fifty-five million, three hundred forty-five thousand, three hundred forty-five".