1055783986185 has 32 divisors (see below), whose sum is σ = 1706644598400. Its totient is φ = 557314956800.

The previous prime is 1055783986129. The next prime is 1055783986207. The reversal of 1055783986185 is 5816893875501.

It is not a de Polignac number, because 1055783986185 - 2⁷ = 1055783986057 is a prime.

It is a super-2 number, since 2×1055783986185² (a number of 25 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 31 ways as a sum of consecutive naturals, for example, 212511 + ... + 1468580.

It is an arithmetic number, because the mean of its divisors is an integer number (53332643700).

Almost surely, 2^{1055783986185} is an apocalyptic number.

1055783986185 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1055783986185 is a deficient number, since it is larger than the sum of its proper divisors (650860612215).

1055783986185 is a wasteful number, since it uses less digits than its factorization.

1055783986185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1681529.

The product of its (nonzero) digits is 72576000, while the sum is 66.

The spelling of 1055783986185 in words is "one trillion, fifty-five billion, seven hundred eighty-three million, nine hundred eighty-six thousand, one hundred eighty-five".