1109199133 has 24 divisors (see below), whose sum is σ = 1314330624. Its totient is φ = 933156000.

The previous prime is 1109199131. The next prime is 1109199149. The reversal of 1109199133 is 3319919011.

It is not a de Polignac number, because 1109199133 - 2¹ = 1109199131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1109199092 and 1109199101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109199131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 963108 + ... + 964258.

It is an arithmetic number, because the mean of its divisors is an integer number (54763776).

Almost surely, 2^1109199133 is an apocalyptic number.

It is an amenable number.

1109199133 is a deficient number, since it is larger than the sum of its proper divisors (205131491).

1109199133 is a wasteful number, since it uses less digits than its factorization.

1109199133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1513 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 37.

The square root of 1109199133 is about 33304.6413131864. The cubic root of 1109199133 is about 1035.1497315018.

It can be divided in two parts, 11091 and 99133, that added together give a square (110224 = 332²).

The spelling of 1109199133 in words is "one billion, one hundred nine million, one hundred ninety-nine thousand, one hundred thirty-three".