105701898728 has 16 divisors (see below), whose sum is σ = 198238300260. Its totient is φ = 52838352000.

The previous prime is 105701898719. The next prime is 105701898803. The reversal of 105701898728 is 827898107501.

It can be written as a sum of positive squares in 2 ways, for example, as 85894714084 + 19807184644 = 293078^2 + 140738^2 .

It is a super-2 number, since 2×105701898728² (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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538963 + ... + 1606178.

Almost surely, 2^105701898728 is an apocalyptic number.

It is an amenable number.

105701898728 is a deficient number, since it is larger than the sum of its proper divisors (92536401532).

105701898728 is a wasteful number, since it uses less digits than its factorization.

105701898728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149348 (or 3149344 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 56.

The spelling of 105701898728 in words is "one hundred five billion, seven hundred one million, eight hundred ninety-eight thousand, seven hundred twenty-eight".