1113690245785 has 16 divisors (see below), whose sum is σ = 1439785733904. Its totient is φ = 822100119552.

The previous prime is 1113690245779. The next prime is 1113690245791. The reversal of 1113690245785 is 5875420963111.

It is an interprime number because it is at equal distance from previous prime (1113690245779) and next prime (1113690245791).

It can be written as a sum of positive squares in 8 ways, for example, as 2158624521 + 1111531621264 = 46461^2 + 1054292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113690245785 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 3135292 + ... + 3472381.

It is an arithmetic number, because the mean of its divisors is an integer number (89986608369).

It is a 1-persistent number, because it is pandigital, but 2⋅1113690245785 = 2227380491570 is not.

Almost surely, 2^{1113690245785} is an apocalyptic number.

It is an amenable number.

1113690245785 is a deficient number, since it is larger than the sum of its proper divisors (326095488119).

1113690245785 is a wasteful number, since it uses less digits than its factorization.

1113690245785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610284.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 1113690245785 in words is "one trillion, one hundred thirteen billion, six hundred ninety million, two hundred forty-five thousand, seven hundred eighty-five".