3855056312042 has 8 divisors (see below), whose sum is σ = 6227398657956. Its totient is φ = 1779256759392.

The previous prime is 3855056311993. The next prime is 3855056312057. The reversal of 3855056312042 is 2402136505583.

It can be written as a sum of positive squares in 2 ways, for example, as 3806006908201 + 49049403841 = 1950899^2 + 221471^2 .

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

It is a super-2 number, since 2×3855056312042² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3855056311984 and 3855056312002.

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, 74135698283 + ... + 74135698334.

Almost surely, 2^{3855056312042} is an apocalyptic number.

3855056312042 is a deficient number, since it is larger than the sum of its proper divisors (2372342345914).

3855056312042 is a wasteful number, since it uses less digits than its factorization.

3855056312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148271396632.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 3855056312042 in words is "three trillion, eight hundred fifty-five billion, fifty-six million, three hundred twelve thousand, forty-two".