109123451445 has 8 divisors (see below), whose sum is σ = 174597522336. Its totient is φ = 58199174096.

The previous prime is 109123451443. The next prime is 109123451483. The reversal of 109123451445 is 544154321901.

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 109123451445 - 2¹ = 109123451443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109123451441) 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, 3637448367 + ... + 3637448396.

It is an arithmetic number, because the mean of its divisors is an integer number (21824690292).

Almost surely, 2^109123451445 is an apocalyptic number.

109123451445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109123451445 is a deficient number, since it is larger than the sum of its proper divisors (65474070891).

109123451445 is an equidigital number, since it uses as much as digits as its factorization.

109123451445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7274896771.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 109123451445 in words is "one hundred nine billion, one hundred twenty-three million, four hundred fifty-one thousand, four hundred forty-five".