1105109997 has 4 divisors (see below), whose sum is σ = 1473480000. Its totient is φ = 736739996.

The previous prime is 1105109953. The next prime is 1105110011. The reversal of 1105109997 is 7999015011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1105109997 - 2⁷ = 1105109869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105102997) 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, 184184997 + ... + 184185002.

It is an arithmetic number, because the mean of its divisors is an integer number (368370000).

Almost surely, 2^1105109997 is an apocalyptic number.

It is an amenable number.

1105109997 is a deficient number, since it is larger than the sum of its proper divisors (368370003).

1105109997 is an equidigital number, since it uses as much as digits as its factorization.

1105109997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368370002.

The product of its (nonzero) digits is 25515, while the sum is 42.

The square root of 1105109997 is about 33243.1947471960. The cubic root of 1105109997 is about 1033.8761158006.

The spelling of 1105109997 in words is "one billion, one hundred five million, one hundred nine thousand, nine hundred ninety-seven".