1107785085 has 32 divisors (see below), whose sum is σ = 1952391168. Its totient is φ = 531885120.

The previous prime is 1107785057. The next prime is 1107785131. The reversal of 1107785085 is 5805877011.

It is not a de Polignac number, because 1107785085 - 2⁸ = 1107784829 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15597 + ... + 49586.

It is an arithmetic number, because the mean of its divisors is an integer number (61012224).

Almost surely, 2^1107785085 is an apocalyptic number.

1107785085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1107785085 is a deficient number, since it is larger than the sum of its proper divisors (844606083).

1107785085 is a wasteful number, since it uses less digits than its factorization.

1107785085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65305.

The product of its (nonzero) digits is 78400, while the sum is 42.

The square root of 1107785085 is about 33283.4055499133. The cubic root of 1107785085 is about 1034.7096620800.

The spelling of 1107785085 in words is "one billion, one hundred seven million, seven hundred eighty-five thousand, eighty-five".