5611868451 has 12 divisors (see below), whose sum is σ = 9264036912. Its totient is φ = 3206781936.

The previous prime is 5611868447. The next prime is 5611868461. The reversal of 5611868451 is 1548681165.

5611868451 is a `hidden beast` number, since 561 + 1 + 8 + 6 + 84 + 5 + 1 = 666.

It is not a de Polignac number, because 5611868451 - 2² = 5611868447 is a prime.

It is a super-2 number, since 2×5611868451² = 62986135022658278802, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5611868397 and 5611868406.

It is not an unprimeable number, because it can be changed into a prime (5611868441) 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 11 ways as a sum of consecutive naturals, for example, 44538576 + ... + 44538701.

It is an arithmetic number, because the mean of its divisors is an integer number (772003076).

Almost surely, 2^5611868451 is an apocalyptic number.

5611868451 is a deficient number, since it is larger than the sum of its proper divisors (3652168461).

5611868451 is a wasteful number, since it uses less digits than its factorization.

5611868451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89077290 (or 89077287 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 5611868451 is about 74912.4051876590. The cubic root of 5611868451 is about 1777.0616474413.

The spelling of 5611868451 in words is "five billion, six hundred eleven million, eight hundred sixty-eight thousand, four hundred fifty-one".