611553326055 has 64 divisors (see below), whose sum is σ = 1126014317568. Its totient is φ = 277632875520.

The previous prime is 611553326023. The next prime is 611553326107. The reversal of 611553326055 is 550623355116.

It is not a de Polignac number, because 611553326055 - 2⁵ = 611553326023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 611553325998 and 611553326016.

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 63 ways as a sum of consecutive naturals, for example, 33010195 + ... + 33028715.

It is an arithmetic number, because the mean of its divisors is an integer number (17593973712).

Almost surely, 2^611553326055 is an apocalyptic number.

611553326055 is a deficient number, since it is larger than the sum of its proper divisors (514460991513).

611553326055 is a wasteful number, since it uses less digits than its factorization.

611553326055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20696.

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 611553326055 in words is "six hundred eleven billion, five hundred fifty-three million, three hundred twenty-six thousand, fifty-five".