1113678865 has 16 divisors (see below), whose sum is σ = 1469841408. Its totient is φ = 804908736.

The previous prime is 1113678847. The next prime is 1113678869. The reversal of 1113678865 is 5688763111.

It is a cyclic number.

It is not a de Polignac number, because 1113678865 - 2⁷ = 1113678737 is a prime.

It is a super-2 number, since 2×1113678865² = 2480561228695376450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113678869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179217 + ... + 185326.

It is an arithmetic number, because the mean of its divisors is an integer number (91865088).

Almost surely, 2^1113678865 is an apocalyptic number.

It is an amenable number.

1113678865 is a deficient number, since it is larger than the sum of its proper divisors (356162543).

1113678865 is a wasteful number, since it uses less digits than its factorization.

1113678865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364608.

The product of its digits is 241920, while the sum is 46.

The square root of 1113678865 is about 33371.8274147521. The cubic root of 1113678865 is about 1036.5414156612.

The spelling of 1113678865 in words is "one billion, one hundred thirteen million, six hundred seventy-eight thousand, eight hundred sixty-five".