64131553105100 has 72 divisors (see below), whose sum is σ = 158686418606688. Its totient is φ = 22286440166400.

The previous prime is 64131553105099. The next prime is 64131553105141. The reversal of 64131553105100 is 150135513146.

It is a super-2 number, since 2×64131553105100² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1450918016 + ... + 1450962215.

It is an arithmetic number, because the mean of its divisors is an integer number (2203978036204).

Almost surely, 2^{64131553105100} is an apocalyptic number.

It is an amenable number.

64131553105100 is an abundant number, since it is smaller than the sum of its proper divisors (94554865501588).

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

64131553105100 is a wasteful number, since it uses less digits than its factorization.

64131553105100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901880275 (or 2901880268 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 35.

Adding to 64131553105100 its reverse (150135513146), we get a palindrome (64281688618246).

The spelling of 64131553105100 in words is "sixty-four trillion, one hundred thirty-one billion, five hundred fifty-three million, one hundred five thousand, one hundred".