1115905268479 has 4 divisors (see below), whose sum is σ = 1117415289880. Its totient is φ = 1114395247080.

The previous prime is 1115905268461. The next prime is 1115905268549. The reversal of 1115905268479 is 9748625095111.

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

It is a cyclic number.

It is not a de Polignac number, because 1115905268479 - 2⁵ = 1115905268447 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 (1115905265479) 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, 755009592 + ... + 755011069.

It is an arithmetic number, because the mean of its divisors is an integer number (279353822470).

Almost surely, 2^{1115905268479} is an apocalyptic number.

1115905268479 is a deficient number, since it is larger than the sum of its proper divisors (1510021401).

1115905268479 is an equidigital number, since it uses as much as digits as its factorization.

1115905268479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510021400.

The product of its (nonzero) digits is 5443200, while the sum is 58.

The spelling of 1115905268479 in words is "one trillion, one hundred fifteen billion, nine hundred five million, two hundred sixty-eight thousand, four hundred seventy-nine".