1109418465 has 16 divisors (see below), whose sum is σ = 1788029568. Its totient is φ = 587369856.

The previous prime is 1109418463. The next prime is 1109418469. The reversal of 1109418465 is 5648149011.

It is not a de Polignac number, because 1109418465 - 2¹ = 1109418463 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1109418463) 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, 267877 + ... + 271986.

It is an arithmetic number, because the mean of its divisors is an integer number (111751848).

Almost surely, 2^1109418465 is an apocalyptic number.

1109418465 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1109418465 is a deficient number, since it is larger than the sum of its proper divisors (678611103).

1109418465 is a wasteful number, since it uses less digits than its factorization.

1109418465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540008.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1109418465 is about 33307.9339647478. The cubic root of 1109418465 is about 1035.2179568519.

The spelling of 1109418465 in words is "one billion, one hundred nine million, four hundred eighteen thousand, four hundred sixty-five".