6501120067 has 4 divisors (see below), whose sum is σ = 7001206240. Its totient is φ = 6001033896.

The previous prime is 6501120049. The next prime is 6501120089. The reversal of 6501120067 is 7600211056.

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

It is a de Polignac number, because none of the positive numbers 2^k-6501120067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6501120097) 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 3 ways as a sum of consecutive naturals, for example, 250043067 + ... + 250043092.

It is an arithmetic number, because the mean of its divisors is an integer number (1750301560).

Almost surely, 2^6501120067 is an apocalyptic number.

6501120067 is a deficient number, since it is larger than the sum of its proper divisors (500086173).

6501120067 is a wasteful number, since it uses less digits than its factorization.

6501120067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500086172.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 6501120067 is about 80629.5235444189. The cubic root of 6501120067 is about 1866.3627687282.

It can be divided in two parts, 65011 and 20067, that added together give a triangular number (85078 = T₄₁₂).

The spelling of 6501120067 in words is "six billion, five hundred one million, one hundred twenty thousand, sixty-seven".