109211758885 has 8 divisors (see below), whose sum is σ = 131056374816. Its totient is φ = 87367897680.

The previous prime is 109211758861. The next prime is 109211758907. The reversal of 109211758885 is 588857112901.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 109211758885 - 2¹⁹ = 109211234597 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 203950 + ... + 509920.

It is an arithmetic number, because the mean of its divisors is an integer number (16382046852).

Almost surely, 2^109211758885 is an apocalyptic number.

It is an amenable number.

109211758885 is a deficient number, since it is larger than the sum of its proper divisors (21844615931).

109211758885 is an equidigital number, since it uses as much as digits as its factorization.

109211758885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377363.

The product of its (nonzero) digits is 1612800, while the sum is 55.

The spelling of 109211758885 in words is "one hundred nine billion, two hundred eleven million, seven hundred fifty-eight thousand, eight hundred eighty-five".