109380789518 has 32 divisors (see below), whose sum is σ = 220291384320. Its totient is φ = 39337745760.

The previous prime is 109380789491. The next prime is 109380789611. The reversal of 109380789518 is 815987083901.

It is a Smith number, since the sum of its digits (59) 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27315878 + ... + 27319881.

It is an arithmetic number, because the mean of its divisors is an integer number (6884105760).

Almost surely, 2^109380789518 is an apocalyptic number.

109380789518 is an abundant number, since it is smaller than the sum of its proper divisors (110910594802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

109380789518 is a wasteful number, since it uses less digits than its factorization.

109380789518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54635792.

The product of its (nonzero) digits is 4354560, while the sum is 59.

It can be divided in two parts, 109380 and 789518, that added together give a palindrome (898898).

The spelling of 109380789518 in words is "one hundred nine billion, three hundred eighty million, seven hundred eighty-nine thousand, five hundred eighteen".