6610555550511 has 24 divisors (see below), whose sum is σ = 10417306972800. Its totient is φ = 4006138078800.

The previous prime is 6610555550509. The next prime is 6610555550527. The reversal of 6610555550511 is 1150555550166.

It is not a de Polignac number, because 6610555550511 - 2¹ = 6610555550509 is a prime.

It is a super-2 number, since 2×6610555550511² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610555550581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 616861 + ... + 3688038.

It is an arithmetic number, because the mean of its divisors is an integer number (434054457200).

Almost surely, 2^{6610555550511} is an apocalyptic number.

6610555550511 is a deficient number, since it is larger than the sum of its proper divisors (3806751422289).

6610555550511 is a wasteful number, since it uses less digits than its factorization.

6610555550511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320427 (or 4320424 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 45.

The spelling of 6610555550511 in words is "six trillion, six hundred ten billion, five hundred fifty-five million, five hundred fifty thousand, five hundred eleven".