110361989 has 4 divisors (see below), whose sum is σ = 110488140. Its totient is φ = 110235840.

The previous prime is 110361971. The next prime is 110361991. The reversal of 110361989 is 989163011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45832900 + 64529089 = 6770^2 + 8033^2 .

It is a cyclic number.

It is not a de Polignac number, because 110361989 - 2²⁴ = 93584773 is a prime.

It is a super-2 number, since 2×110361989² = 24359537232072242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110361949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61754 + ... + 63515.

It is an arithmetic number, because the mean of its divisors is an integer number (27622035).

Almost surely, 2^110361989 is an apocalyptic number.

It is an amenable number.

110361989 is a deficient number, since it is larger than the sum of its proper divisors (126151).

110361989 is an equidigital number, since it uses as much as digits as its factorization.

110361989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126150.

The product of its (nonzero) digits is 11664, while the sum is 38.

The square root of 110361989 is about 10505.3314559799. The cubic root of 110361989 is about 479.6669984886. Note that the first 3 decimals are identical.

The spelling of 110361989 in words is "one hundred ten million, three hundred sixty-one thousand, nine hundred eighty-nine".