11278356843 has 32 divisors (see below), whose sum is σ = 16953431040. Its totient is φ = 6617255040.

The previous prime is 11278356839. The next prime is 11278356871. The reversal of 11278356843 is 34865387211.

It is not a de Polignac number, because 11278356843 - 2² = 11278356839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11278356792 and 11278356801.

It is not an unprimeable number, because it can be changed into a prime (11278356893) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258753 + ... + 299181.

It is an arithmetic number, because the mean of its divisors is an integer number (529794720).

Almost surely, 2^11278356843 is an apocalyptic number.

11278356843 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11278356843 is a deficient number, since it is larger than the sum of its proper divisors (5675074197).

11278356843 is a wasteful number, since it uses less digits than its factorization.

11278356843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40779.

The product of its digits is 967680, while the sum is 48.

The spelling of 11278356843 in words is "eleven billion, two hundred seventy-eight million, three hundred fifty-six thousand, eight hundred forty-three".