6155005065550 has 48 divisors (see below), whose sum is σ = 12494308384512. Its totient is φ = 2237243954400.

The previous prime is 6155005065527. The next prime is 6155005065553. The reversal of 6155005065550 is 555605005516.

It is a junction number, because it is equal to n+sod(n) for n = 6155005065497 and 6155005065506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6155005065553) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1037424 + ... + 3658723.

It is an arithmetic number, because the mean of its divisors is an integer number (260298091344).

Almost surely, 2^{6155005065550} is an apocalyptic number.

6155005065550 is an abundant number, since it is smaller than the sum of its proper divisors (6339303318962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6155005065550 is a wasteful number, since it uses less digits than its factorization.

6155005065550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698553 (or 4698548 counting only the distinct ones).

The product of its (nonzero) digits is 562500, while the sum is 43.

The spelling of 6155005065550 in words is "six trillion, one hundred fifty-five billion, five million, sixty-five thousand, five hundred fifty".