55111651105 has 8 divisors (see below), whose sum is σ = 75581692992. Its totient is φ = 37790846448.

The previous prime is 55111651103. The next prime is 55111651109. The reversal of 55111651105 is 50115611155.

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 55111651105 - 2¹ = 55111651103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55111651103) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 787309267 + ... + 787309336.

It is an arithmetic number, because the mean of its divisors is an integer number (9447711624).

Almost surely, 2^55111651105 is an apocalyptic number.

It is an amenable number.

55111651105 is a deficient number, since it is larger than the sum of its proper divisors (20470041887).

55111651105 is a wasteful number, since it uses less digits than its factorization.

55111651105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1574618615.

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 55111651105 in words is "fifty-five billion, one hundred eleven million, six hundred fifty-one thousand, one hundred five".