6555112745 has 8 divisors (see below), whose sum is σ = 7973891016. Its totient is φ = 5172253056.

The previous prime is 6555112717. The next prime is 6555112771. The reversal of 6555112745 is 5472115556.

It can be written as a sum of positive squares in 4 ways, for example, as 1095676201 + 5459436544 = 33101^2 + 73888^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6555112745 - 2²⁰ = 6554064169 is a prime.

It is a super-2 number, since 2×6555112745² = 85939006199322870050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8979242 + ... + 8979971.

It is an arithmetic number, because the mean of its divisors is an integer number (996736377).

Almost surely, 2^6555112745 is an apocalyptic number.

It is an amenable number.

6555112745 is a deficient number, since it is larger than the sum of its proper divisors (1418778271).

6555112745 is a wasteful number, since it uses less digits than its factorization.

6555112745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17959291.

The product of its digits is 210000, while the sum is 41.

The square root of 6555112745 is about 80963.6507637841. The cubic root of 6555112745 is about 1871.5153287882.

The spelling of 6555112745 in words is "six billion, five hundred fifty-five million, one hundred twelve thousand, seven hundred forty-five".