109642441126 has 4 divisors (see below), whose sum is σ = 164463661692. Its totient is φ = 54821220562.

The previous prime is 109642441091. The next prime is 109642441127. The reversal of 109642441126 is 621144246901.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×109642441126² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109642441127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27410610280 + ... + 27410610283.

It is an arithmetic number, because the mean of its divisors is an integer number (41115915423).

Almost surely, 2^109642441126 is an apocalyptic number.

109642441126 is a deficient number, since it is larger than the sum of its proper divisors (54821220566).

109642441126 is an equidigital number, since it uses as much as digits as its factorization.

109642441126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54821220565.

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 109642441126 in words is "one hundred nine billion, six hundred forty-two million, four hundred forty-one thousand, one hundred twenty-six".