641112545152 has 64 divisors (see below), whose sum is σ = 1352614321440. Its totient is φ = 301640335360.

The previous prime is 641112545113. The next prime is 641112545153. The reversal of 641112545152 is 251545211146.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×641112545152² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641112545153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12139668 + ... + 12192364.

Almost surely, 2^641112545152 is an apocalyptic number.

It is an amenable number.

641112545152 is an abundant number, since it is smaller than the sum of its proper divisors (711501776288).

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

641112545152 is a wasteful number, since it uses less digits than its factorization.

641112545152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58319 (or 58307 counting only the distinct ones).

The product of its digits is 48000, while the sum is 37.

Adding to 641112545152 its reverse (251545211146), we get a palindrome (892657756298).

The spelling of 641112545152 in words is "six hundred forty-one billion, one hundred twelve million, five hundred forty-five thousand, one hundred fifty-two".