109550781445 has 8 divisors (see below), whose sum is σ = 150241071744. Its totient is φ = 75120535824.

The previous prime is 109550781433. The next prime is 109550781451. The reversal of 109550781445 is 544187055901.

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 109550781445 - 2²³ = 109542392837 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 7 ways as a sum of consecutive naturals, for example, 1565011129 + ... + 1565011198.

It is an arithmetic number, because the mean of its divisors is an integer number (18780133968).

Almost surely, 2^109550781445 is an apocalyptic number.

It is an amenable number.

109550781445 is a deficient number, since it is larger than the sum of its proper divisors (40690290299).

109550781445 is an equidigital number, since it uses as much as digits as its factorization.

109550781445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130022339.

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 109550781445 in words is "one hundred nine billion, five hundred fifty million, seven hundred eighty-one thousand, four hundred forty-five".