109800775044 has 135 divisors (see below), whose sum is σ = 294869390431. Its totient is φ = 35628042240.

The previous prime is 109800775039. The next prime is 109800775079. The reversal of 109800775044 is 440577008901.

It is a happy number.

The square root of 109800775044 is 331362.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 20949088644 + 88851686400 = 144738^2 + 298080^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 244544932 + ... + 244545380.

Almost surely, 2^109800775044 is an apocalyptic number.

109800775044 is the 331362-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 109800775044

109800775044 is an abundant number, since it is smaller than the sum of its proper divisors (185068615387).

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

109800775044 is an frugal number, since it uses more digits than its factorization.

109800775044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 109800775044 in words is "one hundred nine billion, eight hundred million, seven hundred seventy-five thousand, forty-four".