11111456783 has 8 divisors (see below), whose sum is σ = 12733412352. Its totient is φ = 9498152376.

The previous prime is 11111456743. The next prime is 11111456809. The reversal of 11111456783 is 38765411111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11111456783 - 2¹⁸ = 11111194639 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 (11111456743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160035 + ... + 2165172.

It is an arithmetic number, because the mean of its divisors is an integer number (1591676544).

Almost surely, 2^11111456783 is an apocalyptic number.

11111456783 is a deficient number, since it is larger than the sum of its proper divisors (1621955569).

11111456783 is an equidigital number, since it uses as much as digits as its factorization.

11111456783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325581.

The product of its digits is 20160, while the sum is 38.

Adding to 11111456783 its reverse (38765411111), we get a palindrome (49876867894).

The spelling of 11111456783 in words is "eleven billion, one hundred eleven million, four hundred fifty-six thousand, seven hundred eighty-three".