109215032832 has 240 divisors, whose sum is σ = 343431984720. Its totient is φ = 34262286336.

The previous prime is 109215032819. The next prime is 109215032867. The reversal of 109215032832 is 238230512901.

109215032832 is a `hidden beast` number, since 10 + 92 + 1 + 503 + 28 + 32 = 666.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3981468 + ... + 4008804.

It is an arithmetic number, because the mean of its divisors is an integer number (1430966603).

Almost surely, 2^109215032832 is an apocalyptic number.

109215032832 is a gapful number since it is divisible by the number (12) 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 109215032832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171715992360).

109215032832 is an abundant number, since it is smaller than the sum of its proper divisors (234216951888).

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

109215032832 is an equidigital number, since it uses as much as digits as its factorization.

109215032832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27398 (or 27359 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 109215032832 in words is "one hundred nine billion, two hundred fifteen million, thirty-two thousand, eight hundred thirty-two".