1861056112 has 20 divisors (see below), whose sum is σ = 3609117216. Its totient is φ = 929671040.

The previous prime is 1861056097. The next prime is 1861056143. The reversal of 1861056112 is 2116501681.

It is a congruent number.

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, 35464 + ... + 70567.

Almost surely, 2^1861056112 is an apocalyptic number.

It is an amenable number.

1861056112 is a deficient number, since it is larger than the sum of its proper divisors (1748061104).

1861056112 is a wasteful number, since it uses less digits than its factorization.

1861056112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107136 (or 107130 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 31.

The square root of 1861056112 is about 43139.9595734627. The cubic root of 1861056112 is about 1230.0416651451.

Adding to 1861056112 its reverse (2116501681), we get a palindrome (3977557793).

The spelling of 1861056112 in words is "one billion, eight hundred sixty-one million, fifty-six thousand, one hundred twelve".