109186118545 has 8 divisors (see below), whose sum is σ = 149740962624. Its totient is φ = 74870481264.

The previous prime is 109186118543. The next prime is 109186118557. The reversal of 109186118545 is 545811681901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109186118545 - 2¹ = 109186118543 is a prime.

It is a super-3 number, since 3×109186118545³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109186118543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1559801659 + ... + 1559801728.

It is an arithmetic number, because the mean of its divisors is an integer number (18717620328).

Almost surely, 2^109186118545 is an apocalyptic number.

It is an amenable number.

109186118545 is a deficient number, since it is larger than the sum of its proper divisors (40554844079).

109186118545 is an equidigital number, since it uses as much as digits as its factorization.

109186118545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119603399.

The product of its (nonzero) digits is 345600, while the sum is 49.

The spelling of 109186118545 in words is "one hundred nine billion, one hundred eighty-six million, one hundred eighteen thousand, five hundred forty-five".