109118564 has 6 divisors (see below), whose sum is σ = 190957494. Its totient is φ = 54559280.

The previous prime is 109118549. The next prime is 109118567. The reversal of 109118564 is 465811901.

It can be written as a sum of positive squares in only one way, i.e., 108326464 + 792100 = 10408^2 + 890^2 .

It is a super-2 number, since 2×109118564² = 23813722018844192, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109118567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13639817 + ... + 13639824.

It is an arithmetic number, because the mean of its divisors is an integer number (31826249).

Almost surely, 2^109118564 is an apocalyptic number.

It is an amenable number.

109118564 is a deficient number, since it is larger than the sum of its proper divisors (81838930).

109118564 is a wasteful number, since it uses less digits than its factorization.

109118564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27279645 (or 27279643 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 109118564 is about 10445.9831514319. The cubic root of 109118564 is about 477.8587550906.

The spelling of 109118564 in words is "one hundred nine million, one hundred eighteen thousand, five hundred sixty-four".