109523931158 has 16 divisors (see below), whose sum is σ = 166070973600. Its totient is φ = 54167976000.

The previous prime is 109523931157. The next prime is 109523931197. The reversal of 109523931158 is 851139325901.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109523931157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46538 + ... + 470333.

It is an arithmetic number, because the mean of its divisors is an integer number (10379435850).

Almost surely, 2^109523931158 is an apocalyptic number.

109523931158 is a deficient number, since it is larger than the sum of its proper divisors (56547042442).

109523931158 is a wasteful number, since it uses less digits than its factorization.

109523931158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518023.

The product of its (nonzero) digits is 291600, while the sum is 47.

The spelling of 109523931158 in words is "one hundred nine billion, five hundred twenty-three million, nine hundred thirty-one thousand, one hundred fifty-eight".