1364111911 has 4 divisors (see below), whose sum is σ = 1364244192. Its totient is φ = 1363979632.

The previous prime is 1364111891. The next prime is 1364111921. The reversal of 1364111911 is 1191114631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1191114631 = 7 ⋅170159233.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1364111911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1364111911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1364111921) 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, 49231 + ... + 71776.

It is an arithmetic number, because the mean of its divisors is an integer number (341061048).

Almost surely, 2^1364111911 is an apocalyptic number.

1364111911 is a deficient number, since it is larger than the sum of its proper divisors (132281).

1364111911 is a wasteful number, since it uses less digits than its factorization.

1364111911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132280.

The product of its digits is 648, while the sum is 28.

The square root of 1364111911 is about 36933.8856742694. The cubic root of 1364111911 is about 1109.0471250501.

It can be divided in two parts, 13641 and 11911, that added together give a palindrome (25552).

The spelling of 1364111911 in words is "one billion, three hundred sixty-four million, one hundred eleven thousand, nine hundred eleven".