109379215505 has 8 divisors (see below), whose sum is σ = 150005781312. Its totient is φ = 75002890608.

The previous prime is 109379215471. The next prime is 109379215549. The reversal of 109379215505 is 505512973901.

It is a happy number.

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 109379215505 - 2¹⁶ = 109379149969 is a prime.

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 109379215505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1562560187 + ... + 1562560256.

It is an arithmetic number, because the mean of its divisors is an integer number (18750722664).

Almost surely, 2^109379215505 is an apocalyptic number.

It is an amenable number.

109379215505 is a deficient number, since it is larger than the sum of its proper divisors (40626565807).

109379215505 is an equidigital number, since it uses as much as digits as its factorization.

109379215505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3125120455.

The product of its (nonzero) digits is 425250, while the sum is 47.

The spelling of 109379215505 in words is "one hundred nine billion, three hundred seventy-nine million, two hundred fifteen thousand, five hundred five".