105161510544 has 40 divisors (see below), whose sum is σ = 272297607552. Its totient is φ = 34972498560.

The previous prime is 105161510539. The next prime is 105161510551. The reversal of 105161510544 is 445015161501.

It is a super-2 number, since 2×105161510544² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2520919 + ... + 2562294.

Almost surely, 2^105161510544 is an apocalyptic number.

It is an amenable number.

105161510544 is an abundant number, since it is smaller than the sum of its proper divisors (167136097008).

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

105161510544 is a wasteful number, since it uses less digits than its factorization.

105161510544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5083655 (or 5083649 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The spelling of 105161510544 in words is "one hundred five billion, one hundred sixty-one million, five hundred ten thousand, five hundred forty-four".