1105691479 has 4 divisors (see below), whose sum is σ = 1106175976. Its totient is φ = 1105206984.

The previous prime is 1105691437. The next prime is 1105691501. The reversal of 1105691479 is 9741965011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9741965011 = 54287 ⋅179453.

It is a cyclic number.

It is not a de Polignac number, because 1105691479 - 2¹⁹ = 1105167191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105691579) 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, 238809 + ... + 243394.

It is an arithmetic number, because the mean of its divisors is an integer number (276543994).

Almost surely, 2^1105691479 is an apocalyptic number.

1105691479 is a deficient number, since it is larger than the sum of its proper divisors (484497).

1105691479 is an equidigital number, since it uses as much as digits as its factorization.

1105691479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 484496.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1105691479 is about 33251.9394772696. The cubic root of 1105691479 is about 1034.0574174936.

The spelling of 1105691479 in words is "one billion, one hundred five million, six hundred ninety-one thousand, four hundred seventy-nine".