1116450889 has 4 divisors (see below), whose sum is σ = 1164992256. Its totient is φ = 1067909524.

The previous prime is 1116450847. The next prime is 1116450893. The reversal of 1116450889 is 9880546111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9880546111 = 7573 ⋅1304707.

It is a cyclic number.

It is not a de Polignac number, because 1116450889 - 2¹³ = 1116442697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1116450899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24270649 + ... + 24270694.

It is an arithmetic number, because the mean of its divisors is an integer number (291248064).

Almost surely, 2^1116450889 is an apocalyptic number.

It is an amenable number.

1116450889 is a deficient number, since it is larger than the sum of its proper divisors (48541367).

1116450889 is an equidigital number, since it uses as much as digits as its factorization.

1116450889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48541366.

The product of its (nonzero) digits is 69120, while the sum is 43.

The square root of 1116450889 is about 33413.3340000665. The cubic root of 1116450889 is about 1037.4007109512.

The spelling of 1116450889 in words is "one billion, one hundred sixteen million, four hundred fifty thousand, eight hundred eighty-nine".