1011119985 has 24 divisors (see below), whose sum is σ = 1762413120. Its totient is φ = 536247072.

The previous prime is 1011119969. The next prime is 1011119987. The reversal of 1011119985 is 5899111101.

It is not a de Polignac number, because 1011119985 - 2⁴ = 1011119969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011119987) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54709 + ... + 70818.

It is an arithmetic number, because the mean of its divisors is an integer number (73433880).

Almost surely, 2^1011119985 is an apocalyptic number.

1011119985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1011119985 is a deficient number, since it is larger than the sum of its proper divisors (751293135).

1011119985 is a wasteful number, since it uses less digits than its factorization.

1011119985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125717 (or 125714 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 36.

The square root of 1011119985 is about 31798.1129157062. The cubic root of 1011119985 is about 1003.6930065803.

The spelling of 1011119985 in words is "one billion, eleven million, one hundred nineteen thousand, nine hundred eighty-five".