6111550556 has 12 divisors (see below), whose sum is σ = 10698518040. Its totient is φ = 3054831120.

The previous prime is 6111550519. The next prime is 6111550559. The reversal of 6111550556 is 6550551116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6111550559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221375 + ... + 247446.

It is an arithmetic number, because the mean of its divisors is an integer number (891543170).

Almost surely, 2^6111550556 is an apocalyptic number.

It is an amenable number.

6111550556 is a deficient number, since it is larger than the sum of its proper divisors (4586967484).

6111550556 is a wasteful number, since it uses less digits than its factorization.

6111550556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472084 (or 472082 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 6111550556 is about 78176.4066454835. The cubic root of 6111550556 is about 1828.3126728551.

The spelling of 6111550556 in words is "six billion, one hundred eleven million, five hundred fifty thousand, five hundred fifty-six".