11110978343 has 2 divisors, whose sum is σ = 11110978344. Its totient is φ = 11110978342.

The previous prime is 11110978339. The next prime is 11110978349. The reversal of 11110978343 is 34387901111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11110978343 - 2² = 11110978339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11110978297 and 11110978306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110978349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555489171 + 5555489172.

It is an arithmetic number, because the mean of its divisors is an integer number (5555489172).

Almost surely, 2^11110978343 is an apocalyptic number.

11110978343 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110978343 is an equidigital number, since it uses as much as digits as its factorization.

11110978343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 11110978343 in words is "eleven billion, one hundred ten million, nine hundred seventy-eight thousand, three hundred forty-three".