1109354155 has 32 divisors (see below), whose sum is σ = 1640669184. Its totient is φ = 701225856.

The previous prime is 1109354123. The next prime is 1109354161. The reversal of 1109354155 is 5514539011.

It is a cyclic number.

It is not a de Polignac number, because 1109354155 - 2⁵ = 1109354123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1109354155.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493464 + ... + 495706.

It is an arithmetic number, because the mean of its divisors is an integer number (51270912).

Almost surely, 2^1109354155 is an apocalyptic number.

1109354155 is a deficient number, since it is larger than the sum of its proper divisors (531315029).

1109354155 is a wasteful number, since it uses less digits than its factorization.

1109354155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355.

The product of its (nonzero) digits is 13500, while the sum is 34.

The square root of 1109354155 is about 33306.9685651516. The cubic root of 1109354155 is about 1035.1979535332.

The spelling of 1109354155 in words is "one billion, one hundred nine million, three hundred fifty-four thousand, one hundred fifty-five".