109355056015 has 4 divisors (see below), whose sum is σ = 131226067224. Its totient is φ = 87484044808.

The previous prime is 109355055907. The next prime is 109355056033. The reversal of 109355056015 is 510650553901.

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

It is a cyclic number.

It is not a de Polignac number, because 109355056015 - 2³⁵ = 74995317647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10935505597 + ... + 10935505606.

It is an arithmetic number, because the mean of its divisors is an integer number (32806516806).

Almost surely, 2^109355056015 is an apocalyptic number.

109355056015 is a deficient number, since it is larger than the sum of its proper divisors (21871011209).

109355056015 is an equidigital number, since it uses as much as digits as its factorization.

109355056015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21871011208.

The product of its (nonzero) digits is 101250, while the sum is 40.

The spelling of 109355056015 in words is "one hundred nine billion, three hundred fifty-five million, fifty-six thousand, fifteen".