6111005556 has 48 divisors (see below), whose sum is σ = 14661013248. Its totient is φ = 1979942400.

The previous prime is 6111005543. The next prime is 6111005633. The reversal of 6111005556 is 6555001116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110416 + ... + 156248.

It is an arithmetic number, because the mean of its divisors is an integer number (305437776).

Almost surely, 2^6111005556 is an apocalyptic number.

It is an amenable number.

6111005556 is an abundant number, since it is smaller than the sum of its proper divisors (8550007692).

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

6111005556 is a wasteful number, since it uses less digits than its factorization.

6111005556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46152 (or 46150 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 6111005556 is about 78172.9208613827. The cubic root of 6111005556 is about 1828.2583243982.

The spelling of 6111005556 in words is "six billion, one hundred eleven million, five thousand, five hundred fifty-six".