105452387864 has 8 divisors (see below), whose sum is σ = 197723227260. Its totient is φ = 52726193928.

The previous prime is 105452387839. The next prime is 105452387891. The reversal of 105452387864 is 468783254501.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×105452387864² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590774234 + ... + 6590774249.

Almost surely, 2^105452387864 is an apocalyptic number.

It is an amenable number.

105452387864 is a deficient number, since it is larger than the sum of its proper divisors (92270839396).

105452387864 is a wasteful number, since it uses less digits than its factorization.

105452387864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13181548489 (or 13181548485 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 105452387864 in words is "one hundred five billion, four hundred fifty-two million, three hundred eighty-seven thousand, eight hundred sixty-four".