109215575361024 has 640 divisors, whose sum is σ = 354471208819200. Its totient is φ = 29450690887680.

The previous prime is 109215575360987. The next prime is 109215575361083. The reversal of 109215575361024 is 420163575512901.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2777801014 + ... + 2777840330.

It is an arithmetic number, because the mean of its divisors is an integer number (553861263780).

Almost surely, 2^{109215575361024} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109215575361024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177235604409600).

109215575361024 is an abundant number, since it is smaller than the sum of its proper divisors (245255633458176).

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

109215575361024 is a wasteful number, since it uses less digits than its factorization.

109215575361024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39894 (or 39878 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 51.

The spelling of 109215575361024 in words is "one hundred nine trillion, two hundred fifteen billion, five hundred seventy-five million, three hundred sixty-one thousand, twenty-four".