1111469999 has 4 divisors (see below), whose sum is σ = 1169968440. Its totient is φ = 1052971560.

The previous prime is 1111469971. The next prime is 1111470007. The reversal of 1111469999 is 9999641111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1111469999 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111469969) by changing a digit.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29249192 + ... + 29249229.

It is an arithmetic number, because the mean of its divisors is an integer number (292492110).

Almost surely, 2^1111469999 is an apocalyptic number.

1111469999 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1111469999 is a deficient number, since it is larger than the sum of its proper divisors (58498441).

1111469999 is an equidigital number, since it uses as much as digits as its factorization.

1111469999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58498440.

The product of its digits is 157464, while the sum is 50.

The square root of 1111469999 is about 33338.7162170351. The cubic root of 1111469999 is about 1035.8556714585.

The spelling of 1111469999 in words is "one billion, one hundred eleven million, four hundred sixty-nine thousand, nine hundred ninety-nine".