105485125778 has 8 divisors (see below), whose sum is σ = 158230848060. Its totient is φ = 52741509760.

The previous prime is 105485125769. The next prime is 105485125849. The reversal of 105485125778 is 877521584501.

It can be written as a sum of positive squares in 2 ways, for example, as 104948137849 + 536987929 = 323957^2 + 23173^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105485125778² (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 3 ways as a sum of consecutive naturals, for example, 394763 + ... + 605646.

Almost surely, 2^105485125778 is an apocalyptic number.

105485125778 is a deficient number, since it is larger than the sum of its proper divisors (52745722282).

105485125778 is a wasteful number, since it uses less digits than its factorization.

105485125778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053132.

The product of its (nonzero) digits is 3136000, while the sum is 53.

The spelling of 105485125778 in words is "one hundred five billion, four hundred eighty-five million, one hundred twenty-five thousand, seven hundred seventy-eight".