55103505343311 has 8 divisors (see below), whose sum is σ = 73471407477760. Its totient is φ = 36735636718872.

The previous prime is 55103505343273. The next prime is 55103505343319. The reversal of 55103505343311 is 11334350530155.

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

It is not a de Polignac number, because 55103505343311 - 2⁹ = 55103505342799 is a prime.

It is a super-2 number, since 2×55103505343311² (a number of 28 digits) contains 22 as substring.

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 55103505343311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55103505343319) 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, 4250095 + ... + 11325648.

It is an arithmetic number, because the mean of its divisors is an integer number (9183925934720).

Almost surely, 2^{55103505343311} is an apocalyptic number.

55103505343311 is a deficient number, since it is larger than the sum of its proper divisors (18367902134449).

55103505343311 is a wasteful number, since it uses less digits than its factorization.

55103505343311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16755005.

The product of its (nonzero) digits is 202500, while the sum is 39.

Adding to 55103505343311 its reverse (11334350530155), we get a palindrome (66437855873466).

The spelling of 55103505343311 in words is "fifty-five trillion, one hundred three billion, five hundred five million, three hundred forty-three thousand, three hundred eleven".