110596818721 has 3 divisors (see below), whose sum is σ = 110597151283. Its totient is φ = 110596486160.

The previous prime is 110596818701. The next prime is 110596818767. The reversal of 110596818721 is 127818695011.

The square root of 110596818721 is 332561.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 108036458721 + 2560360000 = 328689^2 + 50600^2 .

It is a de Polignac number, because none of the positive numbers 2^k-110596818721 is a prime.

It is a super-2 number, since 2×110596818721² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110596818701) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 166281 + ... + 498841.

Almost surely, 2^110596818721 is an apocalyptic number.

110596818721 is the 332561-st square number.

110596818721 is the 166281-st centered octagonal number.

It is an amenable number.

110596818721 is a deficient number, since it is larger than the sum of its proper divisors (332562).

110596818721 is an frugal number, since it uses more digits than its factorization.

110596818721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665122 (or 332561 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 49.

Multiplying 110596818721 by its sum of digits (49), we get a square (5419244117329 = 2327927²).

The spelling of 110596818721 in words is "one hundred ten billion, five hundred ninety-six million, eight hundred eighteen thousand, seven hundred twenty-one".