109047911 has 16 divisors (see below), whose sum is σ = 133775424. Its totient is φ = 86759424.

The previous prime is 109047907. The next prime is 109047919. The reversal of 109047911 is 119740901.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 109047911 - 2² = 109047907 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109047919) 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, 2411 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (8360964).

Almost surely, 2^109047911 is an apocalyptic number.

109047911 is a deficient number, since it is larger than the sum of its proper divisors (24727513).

109047911 is a wasteful number, since it uses less digits than its factorization.

109047911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12650.

The product of its (nonzero) digits is 2268, while the sum is 32.

The square root of 109047911 is about 10442.6007775841. The cubic root of 109047911 is about 477.7555968290.

The spelling of 109047911 in words is "one hundred nine million, forty-seven thousand, nine hundred eleven".