109083436561 has 8 divisors (see below), whose sum is σ = 119005968384. Its totient is φ = 99161880720.

The previous prime is 109083436547. The next prime is 109083436571. The reversal of 109083436561 is 165634380901.

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 109083436561 - 2¹⁷ = 109083305489 is a prime.

It is a super-2 number, since 2×109083436561² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109083436541) 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, 351 + ... + 467083.

It is an arithmetic number, because the mean of its divisors is an integer number (14875746048).

Almost surely, 2^109083436561 is an apocalyptic number.

109083436561 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109083436561 is a deficient number, since it is larger than the sum of its proper divisors (9922531823).

109083436561 is a wasteful number, since it uses less digits than its factorization.

109083436561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487991.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 109083436561 in words is "one hundred nine billion, eighty-three million, four hundred thirty-six thousand, five hundred sixty-one".