111320278343 has 2 divisors, whose sum is σ = 111320278344. Its totient is φ = 111320278342.

The previous prime is 111320278259. The next prime is 111320278387. The reversal of 111320278343 is 343872023111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111320278343 - 2²² = 111316084039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111320278393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660139171 + 55660139172.

It is an arithmetic number, because the mean of its divisors is an integer number (55660139172).

Almost surely, 2^111320278343 is an apocalyptic number.

111320278343 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320278343 is an equidigital number, since it uses as much as digits as its factorization.

111320278343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 111320278343 in words is "one hundred eleven billion, three hundred twenty million, two hundred seventy-eight thousand, three hundred forty-three".