641182011 has 8 divisors (see below), whose sum is σ = 855269904. Its totient is φ = 427274400.

The previous prime is 641181977. The next prime is 641182019. The reversal of 641182011 is 110281146.

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

It is not a de Polignac number, because 641182011 - 2⁷ = 641181883 is a prime.

It is a super-2 number, since 2×641182011² = 822228742460008242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641182019) 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 7 ways as a sum of consecutive naturals, for example, 36540 + ... + 51161.

It is an arithmetic number, because the mean of its divisors is an integer number (106908738).

Almost surely, 2^641182011 is an apocalyptic number.

641182011 is a deficient number, since it is larger than the sum of its proper divisors (214087893).

641182011 is a wasteful number, since it uses less digits than its factorization.

641182011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90141.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 641182011 is about 25321.5720483543. The cubic root of 641182011 is about 862.3040842138.

The spelling of 641182011 in words is "six hundred forty-one million, one hundred eighty-two thousand, eleven".