110973520153609 has 3 divisors (see below), whose sum is σ = 110973530688007. Its totient is φ = 110973509619212.

The previous prime is 110973520153583. The next prime is 110973520153673. The reversal of 110973520153609 is 906351025379011.

The square root of 110973520153609 is 10534397.

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., 61078679631225 + 49894840522384 = 7815285^2 + 7063628^2 .

It is not a de Polignac number, because 110973520153609 - 2¹⁹ = 110973519629321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110973520153709) 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, 5267199 + ... + 15801595.

Almost surely, 2^{110973520153609} is an apocalyptic number.

110973520153609 is the 10534397-th square number.

110973520153609 is the 5267199-th centered octagonal number.

It is an amenable number.

110973520153609 is a deficient number, since it is larger than the sum of its proper divisors (10534398).

110973520153609 is an frugal number, since it uses more digits than its factorization.

110973520153609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21068794 (or 10534397 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 52.

The spelling of 110973520153609 in words is "one hundred ten trillion, nine hundred seventy-three billion, five hundred twenty million, one hundred fifty-three thousand, six hundred nine".