5611178388888 has 24 divisors (see below), whose sum is σ = 15196941470100. Its totient is φ = 1870392796272.

The previous prime is 5611178388883. The next prime is 5611178388889. The reversal of 5611178388888 is 8888838711165.

5611178388888 is a `hidden beast` number, since 56 + 1 + 117 + 8 + 388 + 8 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (72), and also a Moran number because the ratio is a prime number: 77933033179 = 5611178388888 / (5 + 6 + 1 + 1 + 1 + 7 + 8 + 3 + 8 + 8 + 8 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5611178388883) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38966516518 + ... + 38966516661.

Almost surely, 2^{5611178388888} is an apocalyptic number.

It is an amenable number.

5611178388888 is an abundant number, since it is smaller than the sum of its proper divisors (9585763081212).

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

5611178388888 is a wasteful number, since it uses less digits than its factorization.

5611178388888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77933033191 (or 77933033184 counting only the distinct ones).

The product of its digits is 165150720, while the sum is 72.

The spelling of 5611178388888 in words is "five trillion, six hundred eleven billion, one hundred seventy-eight million, three hundred eighty-eight thousand, eight hundred eighty-eight".