1111356813479 has 4 divisors (see below), whose sum is σ = 1212389251080. Its totient is φ = 1010324375880.

The previous prime is 1111356813449. The next prime is 1111356813517. The reversal of 1111356813479 is 9743186531111.

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 1111356813479 - 2¹² = 1111356809383 is a prime.

It is a super-2 number, since 2×1111356813479² (a number of 25 digits) 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 (1111356813439) 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, 50516218784 + ... + 50516218805.

It is an arithmetic number, because the mean of its divisors is an integer number (303097312770).

Almost surely, 2^{1111356813479} is an apocalyptic number.

1111356813479 is a deficient number, since it is larger than the sum of its proper divisors (101032437601).

1111356813479 is a wasteful number, since it uses less digits than its factorization.

1111356813479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101032437600.

The product of its digits is 544320, while the sum is 50.

The spelling of 1111356813479 in words is "one trillion, one hundred eleven billion, three hundred fifty-six million, eight hundred thirteen thousand, four hundred seventy-nine".