105181054836 has 72 divisors (see below), whose sum is σ = 290512844832. Its totient is φ = 29421268800.

The previous prime is 105181054819. The next prime is 105181054877. The reversal of 105181054836 is 638450181501.

It is a super-2 number, since 2×105181054836² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 2767230 + ... + 2804981.

Almost surely, 2^105181054836 is an apocalyptic number.

It is an amenable number.

105181054836 is an abundant number, since it is smaller than the sum of its proper divisors (185331789996).

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

105181054836 is a wasteful number, since it uses less digits than its factorization.

105181054836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572253 (or 5572240 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 42.

The spelling of 105181054836 in words is "one hundred five billion, one hundred eighty-one million, fifty-four thousand, eight hundred thirty-six".