5616554111 has 4 divisors (see below), whose sum is σ = 6418918992. Its totient is φ = 4814189232.

The previous prime is 5616554101. The next prime is 5616554117. The reversal of 5616554111 is 1114556165.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1114556165 = 5 ⋅222911233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5616554111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5616554117) 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 3 ways as a sum of consecutive naturals, for example, 401182430 + ... + 401182443.

It is an arithmetic number, because the mean of its divisors is an integer number (1604729748).

Almost surely, 2^5616554111 is an apocalyptic number.

5616554111 is a deficient number, since it is larger than the sum of its proper divisors (802364881).

5616554111 is an equidigital number, since it uses as much as digits as its factorization.

5616554111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802364880.

The product of its digits is 18000, while the sum is 35.

The square root of 5616554111 is about 74943.6729217350. The cubic root of 5616554111 is about 1777.5560989388.

The spelling of 5616554111 in words is "five billion, six hundred sixteen million, five hundred fifty-four thousand, one hundred eleven".