641075155232 has 24 divisors (see below), whose sum is σ = 1262177551152. Its totient is φ = 320522126400.

The previous prime is 641075155207. The next prime is 641075155247. The reversal of 641075155232 is 232551570146.

It is a self number, because there is not a number n which added to its sum of digits gives 641075155232.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206507 + ... + 1150997.

It is an arithmetic number, because the mean of its divisors is an integer number (52590731298).

Almost surely, 2^641075155232 is an apocalyptic number.

It is an amenable number.

641075155232 is a deficient number, since it is larger than the sum of its proper divisors (621102395920).

641075155232 is a wasteful number, since it uses less digits than its factorization.

641075155232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965712 (or 965704 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 641075155232 in words is "six hundred forty-one billion, seventy-five million, one hundred fifty-five thousand, two hundred thirty-two".