641011213005 has 32 divisors (see below), whose sum is σ = 1036582410240. Its totient is φ = 338224280640.

The previous prime is 641011212983. The next prime is 641011213049. The reversal of 641011213005 is 500312110146.

It is a happy number.

It is not a de Polignac number, because 641011213005 - 2⁸ = 641011212749 is a prime.

It is a super-2 number, since 2×641011213005² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1391686 + ... + 1794104.

It is an arithmetic number, because the mean of its divisors is an integer number (32393200320).

Almost surely, 2^641011213005 is an apocalyptic number.

It is an amenable number.

641011213005 is a deficient number, since it is larger than the sum of its proper divisors (395571197235).

641011213005 is a wasteful number, since it uses less digits than its factorization.

641011213005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403561.

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 641011213005 in words is "six hundred forty-one billion, eleven million, two hundred thirteen thousand, five".