109252663218 has 16 divisors (see below), whose sum is σ = 242783696160. Its totient is φ = 36417554388.

The previous prime is 109252663181. The next prime is 109252663243. The reversal of 109252663218 is 812366252901.

109252663218 is a `hidden beast` number, since 1 + 0 + 9 + 2 + 5 + 2 + 6 + 632 + 1 + 8 = 666.

It is a super-2 number, since 2×109252663218² (a number of 23 digits) contains 22 as substring.

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, 1011598680 + ... + 1011598787.

It is an arithmetic number, because the mean of its divisors is an integer number (15173981010).

Almost surely, 2^109252663218 is an apocalyptic number.

109252663218 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

109252663218 is an abundant number, since it is smaller than the sum of its proper divisors (133531032942).

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

109252663218 is a wasteful number, since it uses less digits than its factorization.

109252663218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023197478 (or 2023197472 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 109252663218 in words is "one hundred nine billion, two hundred fifty-two million, six hundred sixty-three thousand, two hundred eighteen".