109642252500 has 360 divisors, whose sum is σ = 381791137728. Its totient is φ = 26300160000.

The previous prime is 109642252417. The next prime is 109642252519. The reversal of 109642252500 is 5252246901.

109642252500 is a `hidden beast` number, since 1 + 0 + 9 + 642 + 2 + 5 + 2 + 5 + 0 + 0 = 666.

It is a super-3 number, since 3×109642252500³ (a number of 34 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 24005217 + ... + 24009783.

Almost surely, 2^109642252500 is an apocalyptic number.

109642252500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109642252500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190895568864).

109642252500 is an abundant number, since it is smaller than the sum of its proper divisors (272148885228).

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

109642252500 is a wasteful number, since it uses less digits than its factorization.

109642252500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705 (or 4685 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 109642252500 in words is "one hundred nine billion, six hundred forty-two million, two hundred fifty-two thousand, five hundred".