103553551255543 has 4 divisors (see below), whose sum is σ = 103553588846248. Its totient is φ = 103553513664840.

The previous prime is 103553551255519. The next prime is 103553551255549. The reversal of 103553551255543 is 345552155355301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103553551255543 is a prime.

It is a super-3 number, since 3×103553551255543³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103553551255549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14305728 + ... + 20291893.

It is an arithmetic number, because the mean of its divisors is an integer number (25888397211562).

Almost surely, 2^{103553551255543} is an apocalyptic number.

103553551255543 is a deficient number, since it is larger than the sum of its proper divisors (37590705).

103553551255543 is an equidigital number, since it uses as much as digits as its factorization.

103553551255543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37590704.

The product of its (nonzero) digits is 16875000, while the sum is 52.

The spelling of 103553551255543 in words is "one hundred three trillion, five hundred fifty-three billion, five hundred fifty-one million, two hundred fifty-five thousand, five hundred forty-three".