109507231081 has 8 divisors (see below), whose sum is σ = 109693362528. Its totient is φ = 109321212000.

The previous prime is 109507231069. The next prime is 109507231087. The reversal of 109507231081 is 180132705901.

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 109507231081 - 2⁷ = 109507230953 is a prime.

It is a super-2 number, since 2×109507231081² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 109507231081.

It is not an unprimeable number, because it can be changed into a prime (109507231087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2051946 + ... + 2104636.

It is an arithmetic number, because the mean of its divisors is an integer number (13711670316).

Almost surely, 2^109507231081 is an apocalyptic number.

It is an amenable number.

109507231081 is a deficient number, since it is larger than the sum of its proper divisors (186131447).

109507231081 is an equidigital number, since it uses as much as digits as its factorization.

109507231081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56183.

The product of its (nonzero) digits is 15120, while the sum is 37.

Adding to 109507231081 its reverse (180132705901), we get a palindrome (289639936982).

The spelling of 109507231081 in words is "one hundred nine billion, five hundred seven million, two hundred thirty-one thousand, eighty-one".