6111606506556 has 48 divisors (see below), whose sum is σ = 14435909913600. Its totient is φ = 2012144019072.

The previous prime is 6111606506543. The next prime is 6111606506557. The reversal of 6111606506556 is 6556056061116.

It is a super-2 number, since 2×6111606506556² (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 (6111606506557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3132405 + ... + 4694163.

It is an arithmetic number, because the mean of its divisors is an integer number (300748123200).

Almost surely, 2^{6111606506556} is an apocalyptic number.

It is an amenable number.

6111606506556 is an abundant number, since it is smaller than the sum of its proper divisors (8324303407044).

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

6111606506556 is a wasteful number, since it uses less digits than its factorization.

6111606506556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565778 (or 1565776 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The spelling of 6111606506556 in words is "six trillion, one hundred eleven billion, six hundred six million, five hundred six thousand, five hundred fifty-six".