641332315515102 has 8 divisors (see below), whose sum is σ = 1282664631030216. Its totient is φ = 213777438505032.

The previous prime is 641332315515083. The next prime is 641332315515107. The reversal of 641332315515102 is 201515513233146.

641332315515102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

641332315515102 is an admirable number.

It is a super-2 number, since 2×641332315515102² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641332315515107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53444359626253 + ... + 53444359626264.

It is an arithmetic number, because the mean of its divisors is an integer number (160333078878777).

Almost surely, 2^{641332315515102} is an apocalyptic number.

641332315515102 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641332315515102 is a wasteful number, since it uses less digits than its factorization.

641332315515102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106888719252522.

The product of its (nonzero) digits is 324000, while the sum is 42.

Adding to 641332315515102 its reverse (201515513233146), we get a palindrome (842847828748248).

The spelling of 641332315515102 in words is "six hundred forty-one trillion, three hundred thirty-two billion, three hundred fifteen million, five hundred fifteen thousand, one hundred two".