109165559325 has 48 divisors (see below), whose sum is σ = 184554497280. Its totient is φ = 56912613120.

The previous prime is 109165559233. The next prime is 109165559329. The reversal of 109165559325 is 523955561901.

It is a happy number.

It is not a de Polignac number, because 109165559325 - 2¹² = 109165555229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109165559329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2903547 + ... + 2940903.

It is an arithmetic number, because the mean of its divisors is an integer number (3844885360).

Almost surely, 2^109165559325 is an apocalyptic number.

109165559325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109165559325 is a deficient number, since it is larger than the sum of its proper divisors (75388937955).

109165559325 is a wasteful number, since it uses less digits than its factorization.

109165559325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38246 (or 38241 counting only the distinct ones).

The product of its (nonzero) digits is 1822500, while the sum is 51.

The spelling of 109165559325 in words is "one hundred nine billion, one hundred sixty-five million, five hundred fifty-nine thousand, three hundred twenty-five".