110388069009 has 9 divisors (see below), whose sum is σ = 159450872763. Its totient is φ = 73591381512.

The previous prime is 110388068983. The next prime is 110388069019. The reversal of 110388069009 is 900960883011.

The square root of 110388069009 is 332247.

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

It can be written as a sum of positive squares in only one way, i.e., 103139249409 + 7248819600 = 321153^2 + 85140^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 110388069009 - 2⁵ = 110388068977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (110388069019) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 941367 + ... + 1052115.

Almost surely, 2^110388069009 is an apocalyptic number.

110388069009 is the 332247-th square number.

110388069009 is the 166124-th centered octagonal number.

It is an amenable number.

110388069009 is a deficient number, since it is larger than the sum of its proper divisors (49062803754).

110388069009 is an frugal number, since it uses more digits than its factorization.

110388069009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221504 (or 110752 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

It can be divided in two parts, 1103880 and 69009, that added together give a square (1172889 = 1083²).

The spelling of 110388069009 in words is "one hundred ten billion, three hundred eighty-eight million, sixty-nine thousand, nine".