1111440965 has 16 divisors (see below), whose sum is σ = 1386298368. Its totient is φ = 854686656.

The previous prime is 1111440959. The next prime is 1111440973. The reversal of 1111440965 is 5690441111.

It is a cyclic number.

It is not a de Polignac number, because 1111440965 - 2⁶ = 1111440901 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 20837 + ... + 51546.

It is an arithmetic number, because the mean of its divisors is an integer number (86643648).

Almost surely, 2^1111440965 is an apocalyptic number.

It is an amenable number.

1111440965 is a deficient number, since it is larger than the sum of its proper divisors (274857403).

1111440965 is an equidigital number, since it uses as much as digits as its factorization.

1111440965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72508.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 1111440965 is about 33338.2807745091. The cubic root of 1111440965 is about 1035.8466517832.

The spelling of 1111440965 in words is "one billion, one hundred eleven million, four hundred forty thousand, nine hundred sixty-five".