6611543051 has 4 divisors (see below), whose sum is σ = 6614287704. Its totient is φ = 6608798400.

The previous prime is 6611543021. The next prime is 6611543053. The reversal of 6611543051 is 1503451166.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6611543051 - 2²⁶ = 6544434187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6611542999 and 6611543017.

It is not an unprimeable number, because it can be changed into a prime (6611543053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1368710 + ... + 1373531.

It is an arithmetic number, because the mean of its divisors is an integer number (1653571926).

Almost surely, 2^6611543051 is an apocalyptic number.

6611543051 is a deficient number, since it is larger than the sum of its proper divisors (2744653).

6611543051 is a wasteful number, since it uses less digits than its factorization.

6611543051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2744652.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 6611543051 is about 81311.3955789716. The cubic root of 6611543051 is about 1876.8703636616.

The spelling of 6611543051 in words is "six billion, six hundred eleven million, five hundred forty-three thousand, fifty-one".