109523880009 has 12 divisors (see below), whose sum is σ = 167507110836. Its totient is φ = 68720865792.

The previous prime is 109523880001. The next prime is 109523880013. The reversal of 109523880009 is 900088325901.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 97716884409 + 11806995600 = 312597^2 + 108660^2 .

It is not a de Polignac number, because 109523880009 - 2³ = 109523880001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109523880001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 357921024 + ... + 357921329.

It is an arithmetic number, because the mean of its divisors is an integer number (13958925903).

Almost surely, 2^109523880009 is an apocalyptic number.

It is an amenable number.

109523880009 is a deficient number, since it is larger than the sum of its proper divisors (57983230827).

109523880009 is a wasteful number, since it uses less digits than its factorization.

109523880009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715842376 (or 715842373 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 109523880009 in words is "one hundred nine billion, five hundred twenty-three million, eight hundred eighty thousand, nine".