3551217426055 has 16 divisors (see below), whose sum is σ = 4657762103904. Its totient is φ = 2583296622720.

The previous prime is 3551217426047. The next prime is 3551217426073. The reversal of 3551217426055 is 5506247121553.

It is not a de Polignac number, because 3551217426055 - 2³ = 3551217426047 is a prime.

It is a super-2 number, since 2×3551217426055² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3551217425996 and 3551217426014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 407712916 + ... + 407721625.

It is an arithmetic number, because the mean of its divisors is an integer number (291110131494).

Almost surely, 2^{3551217426055} is an apocalyptic number.

3551217426055 is a deficient number, since it is larger than the sum of its proper divisors (1106544677849).

3551217426055 is a wasteful number, since it uses less digits than its factorization.

3551217426055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815434626.

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 3551217426055 in words is "three trillion, five hundred fifty-one billion, two hundred seventeen million, four hundred twenty-six thousand, fifty-five".