113557785 has 48 divisors (see below), whose sum is σ = 207361728. Its totient is φ = 52624000.

The previous prime is 113557751. The next prime is 113557789. The reversal of 113557785 is 587755311.

It is not a de Polignac number, because 113557785 - 2⁷ = 113557657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (113557789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 86635 + ... + 87935.

It is an arithmetic number, because the mean of its divisors is an integer number (4320036).

Almost surely, 2^113557785 is an apocalyptic number.

113557785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113557785 is a deficient number, since it is larger than the sum of its proper divisors (93803943).

113557785 is a wasteful number, since it uses less digits than its factorization.

113557785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1343 counting only the distinct ones).

The product of its digits is 147000, while the sum is 42.

The square root of 113557785 is about 10656.3495156644. The cubic root of 113557785 is about 484.2529825711.

The spelling of 113557785 in words is "one hundred thirteen million, five hundred fifty-seven thousand, seven hundred eighty-five".