641373858111 has 32 divisors (see below), whose sum is σ = 980664893440. Its totient is φ = 365250858336.

The previous prime is 641373858109. The next prime is 641373858193. The reversal of 641373858111 is 111858373146.

It is not a de Polignac number, because 641373858111 - 2¹ = 641373858109 is a prime.

It is a super-2 number, since 2×641373858111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641373858101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10531230 + ... + 10591956.

It is an arithmetic number, because the mean of its divisors is an integer number (30645777920).

Almost surely, 2^641373858111 is an apocalyptic number.

641373858111 is a deficient number, since it is larger than the sum of its proper divisors (339291035329).

641373858111 is a wasteful number, since it uses less digits than its factorization.

641373858111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62443.

The product of its digits is 483840, while the sum is 48.

The spelling of 641373858111 in words is "six hundred forty-one billion, three hundred seventy-three million, eight hundred fifty-eight thousand, one hundred eleven".