109159501 has 4 divisors (see below), whose sum is σ = 119083104. Its totient is φ = 99235900.

The previous prime is 109159493. The next prime is 109159513. The reversal of 109159501 is 105951901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105951901 = 11 ⋅9631991.

It is a cyclic number.

It is not a de Polignac number, because 109159501 - 2³ = 109159493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109159571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4961785 + ... + 4961806.

It is an arithmetic number, because the mean of its divisors is an integer number (29770776).

Almost surely, 2^109159501 is an apocalyptic number.

109159501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

109159501 is a deficient number, since it is larger than the sum of its proper divisors (9923603).

109159501 is an equidigital number, since it uses as much as digits as its factorization.

109159501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9923602.

The product of its (nonzero) digits is 2025, while the sum is 31.

The square root of 109159501 is about 10447.9424290144. The cubic root of 109159501 is about 477.9185055655.

The spelling of 109159501 in words is "one hundred nine million, one hundred fifty-nine thousand, five hundred one".